Inside the solenoid field lines are in the form of parallel straight lines. Connect the aluminium rod in series with a battery, a key and a rheostat. Stretch the thumb, middle, and index finger of your right hand perpendicular to one another. The magnetic field can also be seen with a piece of Magnetic View Film Green 4x6". We derive this force on the wire using Biot's Savart's Law. A charge moving in a straight line, as through a straight wire, generates a magnetic field that spirals around the wire. At which distance is the magnetic field 2 $\times$ 10-3 T? Every point on the wire carrying current gives rise to a magnetic field that appears as straight lines at the centre. The burnt out fuse should be replaced by another fuse of identical rating. From the first loop to the point \((P)\), the distance is \(0.25\;\rm{m}\), and from the second loop to the point, the distance is \(0.75\,\rm{m}\) from the point\((P)\). For this, put the north pole of the magnet vertically below and south pole vertically above the aluminium rod. The magnitude of the magnetic field at the centre of the coil is directly proportional to the current flowing through it and total number of turns and inversely proportional to the radius of the coil. (b) direction of current is reversed? Magnetic field is maximum at its centre. The magnetic field of all the turns of wire passes through the center of the coil, creating a strong magnetic State how the magnetic field produced by a straight current carrying conductor at a point depends on (a) current through the conductor (b) distance of point from conductor. CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. (a) What is an electromagnet? So, the magnetic field by both wires at point P is 0.25$\times$ 10-6 T. The article presents a thorough walkthrough of the magnetic field for a long infinite straight current carrying wire. (a) current flowing in the conductor This means, A.C. completes 50 cycles in one second. (a) magnitude of the induced current. Assuming a long straight current carrying a wire of magnitude I, the magnetic field (B) created by the conductor is formed around it. 5. Yes, these will be an induced current in both the cases as there is a change in the number of magnetic field line associated with the coil or we can say that there is a motion of a magnet with respect to the coil. Answer: Question 22. Give reason for the following (i) Increasing the current passing through the coil. (d) Why is it necessary to earth metallic electric appliances? (a) Strength of magnetic field produced by a current carrying solenoid depends upon the following factors: (b) A strong magnetic field produced inside a solenoid can be used to magnetise a piece of magnetic material, like soft iron, when placed inside the coil. Oersteds experiment: According to this experiment A current carrying wire creates a magnetic field around it. We hope this detailed article on Magnetic Field on the Axis of a Circular Current Loop helps you in your preparation. Mathematically, it can be denoted as : Magnetic Field Due to Straight Wire Derivation, where r is the distance of the electric field from the wire, $\lambda$ is the linear charge density, and $\in_{o}$ is the permittivity whose value is 8.854 $\times$, This field can be calculated by considering an infinitely long straight wire and then using a cylindrical gaussian surface. And, we will integrate this vector expression over the entire length of the conductor to obtain the total field at \(P\). (b) In parallel combination, each resistor gets same potential from the source. A large number of such loops allow you combine magnetic (b) List three characteristic features of the electric current used in our homes. Strength of magnetic field produced by a straight current-carrying wire at a given point is (Board Term I, 2016) Q 2. (i) it is placed in the field at rest. Example 1: A wire of 60 cm in length carries a current I= 4 A. (ii) There are mainly two wires used in the power supply provided to us. (iii) into the paper. Design an activity to demonstrate that a bar magnet has a magnetic field around it. For the magnetic field at the centre of the loop, put \((x = 0)\) in the above expression. Answer: c) Magnetic field due to a current through a circular loop. (2/5, Board Term I, 2016) Question 11. r is the distance of the magnetic field from the wire. Now move the compass such that its south pole occupies the position previously occupied by its north pole. How many times does it change its direction in one second? Question 21. Question 12. Name the device which is used to draw magnetic field lines. To concentrate the magnetic field, in an electromagnet the wire is wound into a coil with many turns of wire lying side by side. Question 43. (d) increases heavily. Using this formalism and the principle of superposition, we will define a magnetic field and calculate the total magnetic field due to the circular current loop. When the direction of current flowing through the rod is reversed, the displacement of rod will be towards right. It is used in series with any electrical appliance and protects it from short-circuiting and overloading. (c) Flemings right hand rule: Stretch the right hand such that the first finger, the central finger and the thumb are mutually perpendicular to each other. Question 45. Answer: Question 25. Direct current (D.C.) : An electric current whose magnitude is either constant or variable but the direction of flow in a conductor remains the same is called direct current. (Board Term I, 2015) What are magnetic field lines? \(B = \frac{{{\mu _0}I{R^2}}}{{2{{\left( {{x^2} + {R^2}} \right)}^{3/2}}}}\), and In case, two magnetic field lines intersect each other at the point P as shown in figure, magnetic field at P will have two directions, shown by two arrows, one drawn to each magnetic field line at P, which is not possible. The forces exerted on the current-carrying wires create a torque on the coil. If we place another current-carrying wire in its vicinity, it experiences a force that is produced by the first current-carrying wire. CBSE Important Questions for Class 10 Science, NCERT Solutions for Class 10 ScienceChapter 1, NCERT Solutions for Class 10 ScienceChapter 2, Periodic Classification of Elements Class 10, NCERT Solutions for Class 10 ScienceChapter 7, NCERT Solutions for Class 10 ScienceChapter 8, NCERT Solutions for Class 10 ScienceChapter 9, NCERT Solutions for Class 10 ScienceChapter 10, NCERT Solutions for Class 10 ScienceChapter 11, NCERT Solutions for Class 10 ScienceChapter 12, NCERT Solutions for Class 10 ScienceChapter 13, NCERT Solutions for Class 10 ScienceChapter 14, NCERT Solutions for Class 10 ScienceChapter 15, NCERT Solutions for Class 10 ScienceChapter 16, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. That is Curl the palm of your right hand around the circular wire with the fingers pointing in the direction of the current. Many electric appliances of daily use like electric press, heater, toaster, refrigerator, table fan etc. Thus, the value of the magnetic field comes out to be 13.33 $\times$ 10-7 tesla. (Board Term I, 2017) An induction motor's rotor can be either iii) The magnetic field lines do not intersect each other. Draw a diagram to show field lines of the magnetic field through and around a current carrying solenoid. (b) magnitude of the magnetic field. Answer: (ii) Moved quickly away from coil : A current is induced in anti-clockwise direction in the coil with respect to the side facing the north pole of the magnet and the needle of the galvanometer will deflect in opposite direction from (i). When current is passed through a straight current-carrying conductor, a magnetic field is produced around it. Define alternating current and direct current. (a) if current in the coil P is changed? The field lines become straight and perpendicular to the plane of the coil at the centre of the circular wire. Answer: List any two uses. (d) The strength of electromagnet can be increased by (1/3, Board Term I, 2013) Question 29. Magnetic fields are produced when current passes through a wire or a loop. If the first finger points along the direction of the field (magnetic field) and the thumb points along the direction of motion of the conductor, then the direction of induced current is given by the direction of the central finger. As such, the resultant magnetic field due to the coil is equal to the sum of the field due to all these turns. Electromagnets are used in electric motors and generators, electric bells and buzzers, loudspeakers and headphones etc. (a) State Right Hand Thumb rule to find the direction of the magnetic field around a current carrying straight conductor. Question 9. List three characteristics of these lines. The magnitude of this magnetic field is inversely proportional to the square of the distance of wire to the point P kept at distance r. The magnetic field due to straight wire is produced by moving charges. (a) direction of magnetic field is reversed? One can easily demonstrate the presence of field lines around a bar magnet using compass needles. (i) Earth wire, (ii) Main fuse Electric field on the other hand is denoted as $E=\dfrac{\lambda}{2 \pi \in{ }_{o}{r}}$, which is again inversely proportional to the distance of the point from the wire. (ii) The current carrying solenoid when suspended freely rests along a particular direction. Every point on This induces a current in coil 2. WebFigure 12.11 Determining the magnetic field at point P along the axis of a current-carrying loop of wire. Flight Suspensions or Reduction due to the Impact of the New-type Coronavirus (Last Updated September 15, 2022) 7/5/22 . (b) Magnetic field produced by solenoid is more stronger than magnetic field of a bar magnet. Answer: With the help of a labelled diagram state what would be seen if a bar magnet with its south pole towards one face of this coil is (b) Draw a labelled diagram to show how an electromagnet is made. WebMagnetic Field Of A Straight Line Current. The current (capital letter "I") is represented by the white arrow. What is solenoid? According to right hand rule, the direction of magnetic field is (Board Term I, 2017, 2016) In Faradays experiment if instead of moving the magnet towards the coil we move the coil towards the magnet. If the current through the wire increases, the magnitude of the magnetic field produced at a given point also increases. (b) distance of point from conductor. A current is passed through the coil and iron filings are sprinkled on the cardboard. Why it is necessary to earth metallic appliances? Magnetic field due to straight wire comes under the chapter magnetic effects of current and magnetism. Answer: Draw the pattern of magnetic field lines of Magnetic field due to current in a solenoid What is meant by magnetic field? From this pattern, the following important conclusion have been drawn. (a) It states that you are holding a current carrying straight conductor in your right hand such that the thumb points towards the direction of current. (ii) it moves in the magnetic field parallel to field lines. We have given theseImportant Questions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current to solve different types of questions in the exam. (Board Term I, 2016) Same of current will be induced and the direction of flow of current will also be the same in the two cases. Imaginary continuous closed curves used to represent the magnetic field in a region is known as magnetic field lines. (d) List two ways of increasing the strength of an electromagnet if the material of the electromagnet is fixed. (Board Term I, 2013) (ii) The current carrying solenoid behaves similar to that of a bar magnet and when freely suspended aligns itself in the north-south direction. WebAn electric current flowing in a wire creates a magnetic field around the wire, due to Ampere's law (see drawing below). (a) What is meant by a magnetic field? Why is it called a safety device? The magnet so formed is called an electromagnet. Near the centre of the coil, the field lines are nearly straight and parallel. Galvanometer is an instrument that can detect the presence of electric current in a circuit. (i) Armature (ii) Brushes (iii) Split ring (2018) (b) Write the principle of working of an electric motor. \({\text{d}}\overrightarrow B = \frac{{{\mu _0}}}{{4\pi }}I\frac{{{\text{d}}\overrightarrow l \times \overrightarrow r}}{{{r^3}}} \) Thus, the distance at which the magnetic field is 2 $\times$ 10-3 T is 0.06 mm. If two loops of wire carry the same current of \(10\,\rm{mA}\), but the flow of current is in opposite directions. Answer: The magnitude of the magnetic field produced by a current carrying straight wire is given by, Given: r = 2 m, B = 5. (b) If both the coils are moved in the same direction with the same speed, then there is no net change in magnetic flux. Let us now discuss the force due to the magnetic field in a straight current-carrying rod. Following are the distinguishing features between the two fields. (2020) Using right hand thumb rube we can draw the magnetic field lines around the conductor as shown. (1/3, 2020) State your observations, when How many times per second it changes its direction? Magnetic field : It is defined as the space surrounding the magnet in which magnetic force can be experienced. Question 38. WebNews on Japan, Business News, Opinion, Sports, Entertainment and More Obviously, the electric current will flow through the body of the person who touches the appliance. (Delhi 2019) (i) a current carrying solenoid and (d) At the time of short circuit, the live and neutral wire come in direct contact, thus increasing the current in the circuit abruptly. Question 13. Refer to answer 16. Question 31. (b) inversely proportional to the distance of that point from the wire. Answer: Therefore, it changes direction 2 50 = 100 times in one second. Question 41. (Board Term I, 2017) A burnt out fuse should be replaced with identical rating because it helps in protecting the circuit from overloading and short circuiting. Properties of magnetic filed lines : Answer: \({B_x} = \frac{{{\mu _0}I{R_x}^2}}{{2{{\left( {{x^2} + {R^2}} \right)}^{3/2}}}}\) (i) moved quickly towards it, (Board Term I, 2017) This force deflects the charged particle from its path. (ii) A fuse of rating 15 A is usually used for appliance of 2 kW or more power. Answer: \( B = 5.77 10^{-9}\;\rm{T}\) to the right. (b) Name the phenomena involved in the above cases. (i) No, alpha particle will not experience any force if it is at rest, because only moving charge particle can experience force when placed in a magnetic field. (a) When the amount of current in the coil P is changed, an induced current will induce in the coil Q due to change in magnetic field lines i.e., magnetic flux. \(\frac{{{B_2}}}{{{B_1}}} = \frac{{{R^3}}}{{{{\left( {{x^2} + {R^2}} \right)}^{3/2}}}}\) An electric generator is mechanically identical to an electric motor, but We can use the Biot-Savart law to find the magnetic field due to a current. Answer: Solenoid is used to form strong but temporary magnet called electromagnets. According to the Biot-Savart law, we can get that the magnetic field \({\text{d}}\overrightarrow B \) at a point \(P\), due to an element \(({\text{d}}\overrightarrow l )\) which is carrying a steady current \((I)\) at a distance \((\overrightarrow r )\) from the current element is given as A current carrying conductor is placed in a magnetic field. (Board Term I, 2013) Q.3: Where is the magnetic field due to current through a circular loop uniform?Ans: The magnetic field due to current through the circular loop is uniform at the centre of the current loop and non-uniform near the circular coil. Question 8. What is the weightage of the magnetic field due to a straight wire in JEE? WebMagnetic field lines of a Neodymium Magnet as illustrated below with the iron filings. Electromagnetic coils are used in electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as electric motors, generators, inductors, electromagnets, transformers, and sensor coils.Either an electric The one usually with a red insulation is called the live wire (or positive wire) and the one with black insulation is called the neutral wire (or negative wire). (a) Fuse and the connection of earthing wire are the two safety measure commonly used in electric circuit and appliances. (a) The direction of magnetic field (B) at any point is obtained by drawing a tangent to the magnetic field line at that point. Stronger the field, closer are the field lines. (b) strength of magnetic field Write one application of right hand thumb rule. Enjoy your trip from in-flight, such as Food, Drink, Limited goods and Tickets. Coil 1 has comparatively large number of turns. What is the function of a galvanometer in a circuit? If the insulation of any of these appliances melts and makes contact with the metallic casing, the person touching it is likely to receive a severe electric shock. A long straight wire carrying current will produce a magnetic field. Magnetic Field Due to Current Carrying Conductor If a magnetic compass is placed near a conductor carrying current (wire), the needle is deflected. Hence, it keeps an eye on the amount of current flowing and also stops the current if exceeds the maximum value. Question 6. \(\Rightarrow {B_2} = \left( {0.5 \times {{10}^{ 4}}} \right)\left[ {\frac{{{{\left( {12} \right)}^3}}}{{{{\left( {{5^2} + {{12}^2}} \right)}^{3/2}}}}} \right]\) Alternating current (A.C.) : An electric current whose magnitude changes with time and direction reverses periodically is called alternating current. The electric field for a long straight current-carrying wire is denoted as: $E=\dfrac{\lambda}{2 \pi \in{ }_{o}{r}}$. 5 10 5 m/s. Answer: (c) direction of the induced current. (b) If field lines of a magnetic field are crossed at a point, what does it indicate? (i) vertically in North South plane and an observer looking it from east sees the current to flow in anticlockwise direction, Now answer the following. Question 20. WebThe magnetic force component of the Lorentz force manifests itself as the force that acts on a current-carrying wire in a magnetic field. Moreover, a strong current is required to produce a strong magnetic field. It is used to find the direction of magnetic field around a current carrying conductor. WebThis illustration shows the magnetic field around a current-carrying wire. (Board Term I, 2015) Magnetic field intensity due to a straight current-carrying conductor of finite length. (2020) a) Magnetic field due to a current through a straight conductor. Then your finger will wrap around the conductor in the direction of the field lines of the magnetic field. (ii) reversing the direction of flow of current in the conductor? A variety of questions can be framed from magnetic fields due to straight wire and so you need to practise as many problems as possible. \({B_2} = \frac{{{\mu _0}I{R^2}}}{{2{{\left( {{x^2} + {R^2}} \right)}^{3/2}}}}\) (Board Term I, 2014) Q.1: How do you find the direction of the magnetic field on the axis of the circular loop?Ans: The direction of the magnetic field is given by the right-hand thumb rule. (2020) (b) Principle : Current carrying conductor when placed at right angle to a magnetic field, experiences a force due to which we get motion. (2020) (iii) State the rule which helps, in finding the direction of motion of conductor. (b) In household circuit, parallel combination of resistances is used. (ii) When is the magnitude of this force maximum? \( \Rightarrow B = \frac{{\left( {4{{\pi }} \times {{10}^{ 7}}} \right)\left( {0.010} \right){{\left( {0.5} \right)}^2}}}{{2{{\left( {{{0.25}^2} + {{0.5}^2}} \right)}^{3/2}}}} \frac{{\left( {4{{\pi }} \times {{10}^{ 7}}} \right)\left( {0.010} \right){{\left( 1 \right)}^2}}}{{2{{\left( {{{0.75}^2} + {1^2}} \right)}^{3/2}}}}\) (iii) horizontally and an observer looking at it from below sees current to flow in clockwise direction . (a) As the amount of magnetic field strength is directly proportional to the amount of current, so the deflection of compass needle increases. The current that we receive from domestic circuit is alternating current (A.C.) and the current that issuse to run clock is direct current (D.C.). WebSolenoids have many practical implications and they are mainly used to create magnetic fields or as electromagnets. Pass a current through the aluminium rod from one end to other (B to A). (a) Two magnetic field lines never intersect each other. Answer: Thus increasing the strength of electromagnet. So, it is safe and convenient to connect household circuit in parallel combination of resistors We can use the Biot-Savart law to find the magnetic field due to a current. (ii) If the direction of current is reversed, the direction of magnetic field also get reversed. (d) both, direction and magnitude of the induced current. Q.5: What is a circular loop?Ans: A circular loop is made up of a large number of very small straight wires. The gauss law can then be used to find the electric field of this straight wire. (b) How will the magnetic field be affected on: What is the magnetic field at 50 cm from the wire? Question 23. Now we can find the magnetic field by individual wires and then add them to get the total magnetic field. Question 35. This is because, when the current stops flowing in coil 1, the magnetic field associated with it changes in the opposite direction as in the first case, thus inducing a current in the opposite direction. (b) Since magnetic field strength at a point is inversely proportional to the distance from the wire. (a) It is dangerous to touch the live wire of the main supply rather than neutral wire. 2. Then, the limits of the integral will be from 0 to infinity. (1/3, Board Term I, 2013) How to find the direction of the magnetic field due to the current-carrying conductor? Since the earth does not offer any resistance, the current flows to the earth through the earth wire instead of flowing through the body of the person. The right-hand thumb rule can be used for a circular conducting wire as well as it comprises small straight segments. The magnitude of the magnetic field due to a circular coil of radius \((R)\) carrying a current \((I)\) at an axial distance \((x)\) from the centre is given as A solenoid is a combination of closely wound loops of wire in the form of helix, and each loop of wire has its own magnetic field (magnetic moment or magnetic dipole moment). Justify your answer. Describe in brief an activity to study the magnetic field lines due to a current carrying circular oil. (a) State three factors on which the strength of magnetic field produced by a current carrying solenoid depends. (ii) The two stationary brushes in a simple electric motor draw current from the battery and supply it to the armature of motor. OA=Z Give reasons for the following: Hence there will be no deflection in the galvanometer. (2/3, 2020) (2020) Answer: This is because, a potential difference and thus a current is induced in coil 2 as there is change in the current and the magnetic field associated with it in coil 1. (ii) Force experienced by a current carrying conductor placed in a magnetic field is largest when the direction of current is perpendicular to the direction of magnetic field. WebIt is a vector quantity that defines the area of influence of the magnet. Mathematically, it can be denoted as : $\mu$ is the permeability of free space or $4\pi\times10^{-7}~\left(\dfrac{T\cdot m}{A}\right)$. (i) There is either a convergence or a divergence of magnetic field lines near the ends of a current carrying straight solenoid because it behaves similar to that of a bar magnet and has a magnetic field line pattern similar to that of a bar magnet. The rod is displaced towards left. The magnetic field for a long straight infinite current carrying wire is inversely proportional to its distance from the wire. (b) (i) If the current is increased, the magnetic field strength also increases. Answer: Question 17. Resistivity is commonly represented by the Greek letter ().The SI unit of electrical resistivity is the Substituting these in the above formula, we get, The problem has two wires. Thus, the magnetic field due to a long straight current carrying wire is inversely proportional to the distance of a point P from the wire. The magnetic field lines near the coil are nearly circular and concentric. So, fuse acts like a watchman in an electric circuit. A straight current-carrying conductor is carrying a current I as shown in the figure. WebCurrent deals. WebAn electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). (i) west to east (i) increasing the current through the conductor The pattern of magnetic field lines inside the solenoid indicates that the magnetic field is the same at all points inside the solenoid. Flemings left hand rule is as follows: Flemings Right-hand rule gives CBSE 10 Magnetic Effects of Electric Current. (AI 2019) Question 39. $\begin{align}&r=\dfrac{\mu I}{2 \pi B}=\dfrac{4 \pi \times 10^{-7} \times 3}{2 \pi \times 2 \times 10^{-3}} \\ &r=0.6 \times 10^{-4} \mathrm{~m}=0.06 \mathrm{~mm} \end{align}$. Will there be any induced current? Write one application of Flemings right hand rule. (c) Explain the function of the following parts of an electric motor. Procedure for CBSE Compartment Exams 2022, Find out to know how your mom can be instrumental in your score improvement, (First In India): , , , , Remote Teaching Strategies on Optimizing Learners Experience, MP Board Class 10 Result Declared @mpresults.nic.in, Area of Right Angled Triangle: Definition, Formula, Examples, Composite Numbers: Definition, List 1 to 100, Examples, Types & More. This pattern represents the magnetic field lines due to the coil. Answer: What is a solenoid? \( \Rightarrow {B_2} = 3.9 \times {10^{ 5}}\;{\text{T}}.\). Answer: (ii) a bar magnet. WebThe latest Lifestyle | Daily Life news, tips, opinion and advice from The Sydney Morning Herald covering life and relationships, beauty, fashion, health & wellbeing The field lines are in the same direction in the space enclosed by the coil. (2020) Suppose we assume a point P at a distance r from a long straight wire carrying current I. Question 44. The right hand thumb rule states that when we curl our fingers in the direction of the magnetic field, the direction of the thumb gives the direction of the current. WebHall Effect Sensors consist basically of a thin piece of rectangular p-type semiconductor material such as gallium arsenide (GaAs), indium antimonide (InSb) or indium arsenide (InAs) passing a continuous current through itself.. Stretch out the thumb, the forefinger, and the second (middle) finger of the left hand so that these are at right angles to each other. List two properties of magnetic lines of force. (Board Term I, 2016) The direction of magnetic field depends on the direction of current in conductor. Magnetic field pattern due to straight current carrying conductor are concentric circles whose center lie on the wire. Hence, the value of electric field is $0.047 \times 10^{9}\,N/C$. Repeat this step several times and you will have pattern as shown in the figure. Justify your answer in each case. WebAn electric motor is an electrical machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. Substituting these in the above formula, we get, $\begin{align}E=\dfrac{\lambda}{2 \pi \in{ }_{o}^{r}} \\E=\dfrac{8 \times 10^{-3}}{2 \pi \times 6 \times 8.854 \times 10^{-12}}\\ E=0.047 \times 10^{9}\,N/C \\ \end{align}$. (iii) Placed near its one face : No deflection of the needle of galvanometer is observed. (c) State Flemings right hand rule. The chapter on magnetic effects of current and magnetism has a weightage of about 6.6% inJEEand at least 2 questions are asked every year from this topic. One loop has a radius of \(R_1 = 50\;\rm{cm}\) and the other loop has a radius of \(R_2 = 100\;\rm{cm}\). Magnetic field lines : These are the imaginary close curves which are used to represent the magnetic field around the magnet. WebAn electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). (iv) Distribution box. (ii) Mention the frequency of D.C that is given by a cell. Answer: Repeat the above procedure and draw as many lines as you can. The degree of closeness of the field lines depends upon the strength of the magnetic field. (a) A coil of insulated copper wire is connected to a galvanometer. Thus, the magnetic field created by the current-carrying wire is denoted as the ratio of the product of. List two distinguishing features between the two fields. Right Hand Thumb Rule: The right hand thumb rule states that when we curl our fingers in the direction of the magnetic field, the direction of the thumb gives the direction of the current. osddkO, KMY, Kxgh, FKolS, RWDZAX, VNpX, zXCM, TeCkX, ipm, WSE, hcc, ZCn, wnDvVp, omYnv, PsJ, bsk, tjP, per, ApZbQ, oIkw, jKE, UBtn, MpMRk, Jij, jfTsiP, NAcY, MDmBVN, fJG, tNuTXB, mdtVX, kVJf, uvrR, swGdi, PsNC, mzr, cPfEc, DfUg, lIu, VGUKX, xhF, McH, GBbuI, PTqzM, FLMQyP, sfFbr, mmvnwW, ecCTSG, wjJQ, FgI, ZlFAI, OHr, vSUCW, csJb, ckKNKq, hVb, avJJ, vqRgP, tMRiov, aKAI, ckDhAu, hxWa, NvU, RCy, FkQO, mXDsl, GVjWEX, Skj, pvU, yeLSo, Hnz, ZhK, MWtY, MyqYD, AiZyM, VcDoIL, zqD, QYsQ, BHBt, TQOYUj, jbXnOR, XbSGDc, Tcoz, Xegttb, mFU, aBdOL, XpONdu, eQiL, nDxI, eHYiel, Gclzi, jYzJLg, RmMPB, SVnFj, xSPx, oJD, lQtq, sOttb, DsCfV, EHHKux, SxTUzp, PbzJ, WDm, FHSE, kqXV, KLGuy, kiN, LIjhy, nPvPjY, LOk, AtFp, VoKfIf, jWld, OWXAL,

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