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JEE Electromagnetic Induction PYQs with Solutions

521 previous year questions from Electromagnetic Induction (JEE Main & Advanced Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

521 questionsPhysics2002–2026Answers + solutions

About Electromagnetic Induction PYQs

Electromagnetic Induction has 521 previous year questions in the Quantrex Academy JEE Main & Advanced Physics bank. The 220 questions in this list come from JEE Main (151), NTA Abhyas JEE Main (42) and JEE Advanced (27), spanning 2002 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

  • 2026: 20
  • 2025: 10
  • 2024: 17
  • 2023: 26
  • 2022: 13
  • 2021: 16
  • 2020: 54
  • 2019: 12
  • 2018: 5
  • 2017: 4
  • 2016: 2
  • 2015: 1

Electromagnetic Induction questions with solutions

1

List-I contains four conducting loops lying in the XY plane, as shown in the figures. The loops are rotating about Z axis passing through the point O with time period T in

JEE Advanced 2026 Solution View → 2

A 30 cm long solenoid has 10 turns per cm and area of 5 cm ^2 . The current through the solenoid coil varies from 2 A to 4 A in 3.14 s. The e.m.f. induced in the coil is α× 10^ -5

JEE Main 2026 Solution View → 3

A square loop of side 2 cm is placed in a time varying magnetic field with magnitude as B = 0.4 (300t) Tesla. The normal to the plane of loop makes an angle of 60° with the field.

JEE Main 2026 Solution View → 4

An inductor of inductance 10 mH having resistance of 100\,Ω is connected to battery of E.M.F. 1.0 V through a switch as shown in the figure below. After switch is closed, the

JEE Main 2026 Solution View → 5

A metal rod of length L rotates about one end at origin with a uniform angular velocity ω . The magnetic field radially falls off as B(r) = B_0 e^ -λ r ; λ being a positive

JEE Main 2026 Solution View → 6

A circular loop of radius 20 cm and resistance 2\ Ω is placed in a time varying magnetic field B = (2t^2 + 2t + 3) T . At t = 0 , for the plane of the loop being perpendicular to

JEE Main 2026 Solution View → 7

In the given circuit below inductance values of L_1 , L_2 and L_3 are same. The magnetic energy stored in the entire circuit is (U_t) and that stored in the L_2 inductor is (U_l)

JEE Main 2026 Solution View → 8

A circular current loop of radius R is placed inside square loop of side length L (L >> R) such that they are co-planar and their centers coincide. The permeability of free space

JEE Main 2026 Solution View → 9

When a coil is placed in a time dependent magnetic field the power dissipated in it is P . The number of turns, area of the coil and radius of the coil wire are N , A and r

JEE Main 2026 Solution View → 10

Suppose a long solenoid of 100 cm length, radius 2 cm having 500 turns per unit length, carries a current I=10 (ω t) A , where ω=1000 rad. / s . A circular conducting loop (B) of

JEE Main 2026 Solution View → 11

A circular loop of radius 7 cm is placed in uniform magnetic field of 0.2 T directed perpendicular to plane of loop. The loop is converted into a square loop in 0.5 s. The EMF

JEE Main 2026 Solution View → 12

A 20 m long uniform copper wire held horizontally is allowed to fall under the gravity ( g=10 ~m / s^ 2 ) through a uniform horizontal magnetic field of 0.5 Gauss perpendicular to

JEE Main 2026 Solution View → 13

A simple pendulum made of mass 10 g and a metallic wire of length 10 cm is suspended vertically in a uniform magnetic field of 2 T. The magnetic field direction is perpendicular

JEE Main 2026 Solution View → 14

Figure shows the circuit that contains three resistances ( 9 Ω each) and two inductors (4 mH each). The reading of ammeter at the moment switch K is turned ON, is \_\_\_\_ A.

JEE Main 2026 Solution View → 15

A conducting circular loop is rotated about its diameter at a constant angular speed of 100 rad / s in a magnetic field of 0.5 T perpendicular to the axis of rotation. When the

JEE Main 2026 Solution View → 16

Three identical coils C_ 1 , C_ 2 and C_ 3 are closely placed such that they share a common axis. C_ 2 is exactly midway. C_ 1 carries current I in anti-clockwise direction while

JEE Main 2026 Solution View → 17

X P Q Y is a vertical smooth long loop having a total resistance R where P X is parallel to Q Y and separation between them is l . A constant magnetic field B perpendicular to the

JEE Main 2026 Solution View → 18

Inductance of a coil with 10^ 4 turns is 10 mH and it is connected to a dc source of 10 V with internal resistance of 10 Ω . The energy density in the inductor when the current

JEE Main 2026 Solution View → 19

A conducting circular loop of area 1.0 ~m^ 2 is placed perpendicular to a magnetic field which varies as B= (100 t) Tesla. If the resistance of the loop is 100 Ω , then the

JEE Main 2026 Solution View → 20

A 1 m long metal rod AB completes the circuit as shown in figure. The area of circuit is perpendicular to the magnetic field of 0.10 T. If the resistance of the total circuit is 2

JEE Main 2026 Solution View → 21

A conducting square loop initially lies in the X Z plane with its lower edge hinged along the X -axis. Only in the region y ≥ 0 , there is a time dependent magnetic field pointing

JEE Advanced 2025 Solution View → 22

A conducting square loop of side L , mass M and resistance R is moving in the X Y plane with its edges parallel to the X and Y axes. The region y ≥ 0 has a uniform magnetic field

JEE Advanced 2025 Solution View → 23

Conductor wire ABCDE with each arm 10 ~cm in length is placed in magnetic field of 1 2 Tesla, perpendicular to its plane. When conductor is pulled towards right with constant

JEE Main 2025 Solution View → 24

A coil of area A and N turns is rotating with angular velocity \(ω\) in a uniform magnetic field \( B \) about an axis perpendicular to \( B \). Magnetic flux \(ϕ\) and induced

JEE Main 2025 Solution View → 25

Consider \(I_1\) and \(I_2\) are the currents flowing simultaneously in two nearby coils 1 & 2, respectively. If \(L_1=\) self inductance of coil \(1, M_ 12 =\) mutual inductance

JEE Main 2025 Solution View → 26

A uniform magnetic field of 0.4 T acts perpendicular to a circular copper disc 20 cm in radius. The disc is having a uniform angular velocity of 10 π rad s^ -1 about an axis

JEE Main 2025 Solution View → 27

A conducting bar moves on two conducting rails as shown in the figure. A constant magnetic field B exists into the page. The bar starts to move from the vertex at time t=0 with a

JEE Main 2025 Solution View → 28

Regarding self-inductance: A. The self-inductance of the coil depends on its geometry. B. Self-inductance does not depend on the permeability of the medium. C. Self-induced e.m.f.

JEE Main 2025 Solution View → 29

In the given circuit the sliding contact is pulled outwards such that electric current in the circuit changes at the rate of 8 ~A / s . At an instant when R is 12 Ω , the value of

JEE Main 2025 Solution View → 30

A rectangular metallic loop is moving out of a uniform magnetic field region to a field free region with a constant speed. When the loop is partially inside the magnate field, the

JEE Main 2025 Solution View → 31

A region in the form of an equilateral triangle (in x-y plane) of height L has a uniform magnetic field B pointing in the +z -direction. A conducting loop PQR , in the form of an

JEE Advanced 2024 Solution View → 32

A square loop of side 15 ~cm being moved towards right at a constant speed of 2 cm / s as shown in figure. The front edge enters the 50 ~cm wide magnetic field at t= 0 . The value

JEE Main 2024 Solution View → 33

When a coil is connected across a 20 ~V dc supply, it draws a current of 5 ~A . When it is connected across 20 ~V, 50 ~Hz ac supply, it draws a current of 4 ~A . The self

JEE Main 2024 Solution View → 34

A square loop PQRS having 10 turns, area 3.6 × 10^ -3 ~m^2 and resistance 100 Ω is slowly and uniformly being pulled out of a uniform magnetic field of magnitude B=0.5 ~T as

JEE Main 2024 Solution View → 35

In a coil, the current changes from -2 ~A to +2 ~A in 0.2 ~s and induces an emf of 0.1 ~V . The self inductance of the coil is :

JEE Main 2024 Solution View → 36

The current in an inductor is given by I=(3 t+8) where t is in second. The magnitude of induced emf produced in the inductor is 12 mV . The self-inductance of the inductor _____

JEE Main 2024 Solution View → 37

Two conducting circular loops A and B are placed in the same plane with their centers coinciding as shown in figure. The mutual inductance between them is :

JEE Main 2024 Solution View → 38

A rod of length 60 ~cm rotates with a uniform angular velocity 20 rad s^ -1 about its perpendicular bisector, in a uniform magnetic filed 0.5 T . The direction of magnetic field

JEE Main 2024 Solution View → 39

A coil of 200 turns and area 0 . 20 m ^ 2 is rotated at half a revolution per second and is placed in uniform magnetic field of 0 . 01T perpendicular to axis of rotation of the

JEE Main 2024 Solution View → 40

A rectangular loop of sides 12cm and 5cm , with its sides parallel to the x -axis and y -axis respectively moves with a velocity of 5cm s ^ - 1 in the positive x axis direction

JEE Main 2024 Solution View → 41

The magnetic flux ϕ (in weber) linked with a closed circuit of resistance 8Ω varies with time (in seconds) as ϕ = 5 t ^ 2 - 36t + 1 . The induced current in the circuit at t = 2s

JEE Main 2024 Solution View → 42

A coil is placed perpendicular to a magnetic field of 5000T . When the field is changed to 3000T in 2s , an induced emf of 22V is produced in the coil. If the diameter of the coil

JEE Main 2024 Solution View → 43

A small square loop of wire of side l is placed inside a large square loop of wire of side L(L = l ^ 2 ). The loops are coplanar and their centers coincide. The value of the

JEE Main 2024 Solution View → 44

A horizontal straight wire 5m long extending from east to west falling freely at right angle to horizontal component of earth's magnetic field 0 . 60 × 10 ^ - 4 Wb m ^ - 2 . The

JEE Main 2024 Solution View → 45

A square loop of side 10cm and resistance 0 . 7Ω is placed vertically in the east-west plane. A uniform magnetic field of 0 . 20T is set up across the plane in the north-east

JEE Main 2024 Solution View → 46

A rectangular loop of length 2 . 5m and width 2m is placed at 60 ° to a magnetic field of 4T . The loop is removed from the field in 10sec . The average emf induced in the loop

JEE Main 2024 Solution View → 47

Two coils have mutual inductance 0 . 002H . The current changes in the first coil according to the relation i = i _ 0 sin , where i _ 0 = 5A and ω = 50π rad s ^ - 1 . The maximum

JEE Main 2024 Solution View → 48

A rectangular conducting loop of length 4cm and width 2cm is in the xy -plane, as shown in the figure. It is being moved away from a thin and long conducting wire along the

JEE Advanced 2023 Solution View → 49

A thin conducting rod MN of mass 20gm , length 25cm and resistance 10Ω is held on frictionless, long, perfectly conducting vertical rails as shown in the figure. There is a

JEE Advanced 2023 Solution View → 50

A 12V battery connected to a coil of resistance 6 Ω through a switch, drives a constant current in the circuit. The switch is opened in 1ms . The emf induced across the coil is

JEE Main 2023 Solution View → 51

A 20cm long metallic rod is rotated with 210rpm about an axis normal to the rod passing through its one end. The other end of the rod is in contact with a circular metallic ring.

JEE Main 2023 Solution View → 52

An insulated copper wire of 100 turns is wrapped around a wooden cylindrical core of the cross-sectional area 24 cm ^ 2 . The two ends of the wire are connected to a resistor. The

JEE Main 2023 Solution View → 53

The source of time varying magnetic field may be (A) a permanent magnet (B) an electric field changing linearly with time (C) direct current (D) a decelerating charge particle (E)

JEE Main 2023 Solution View → 54

In the given figure, an inductor and resistor are connected in series with a battery of emf E volt. E ^ a 2b J s ^ - 1 represents the maximum rate at which the energy is stored in

JEE Main 2023 Solution View → 55

A conducting circular loop is placed in a uniform magnetic field of 0 . 4T with its plane perpendicular to the field. Somehow, the radius of the loop starts expanding at a

JEE Main 2023 Solution View → 56

A metallic cube of side 15cm moving along y -axis at a uniform velocity of 2m s ^ - 1 . In a region of uniform magnetic field of magnitude 0 . 5T directed along z - axis. In

JEE Main 2023 Solution View → 57

A coil has an inductance of 2H and resistance of 4Ω . A 10V is applied across the coil. The energy stored in the magnetic field after the current has built up to its equilibrium

JEE Main 2023 Solution View → 58

The magnetic field B crossing normally a square metallic plate of area 4 m ^ 2 is changing with time as shown in figure. The magnitude of induced emf in the plate during t = 2s to

JEE Main 2023 Solution View → 59

A square loop of side 2 . 0cm is placed inside a long solenoid that has 50 turns per centimetre and carries a sinusoidally varying current of amplitude 2 . 5A and angular

JEE Main 2023 Solution View → 60

The energy of an electromagnetic wave contained in a small volume oscillates with

JEE Main 2023 Solution View → 61

A 1m long metal rod XY completes the circuit as shown in figure. The plane of the circuit is perpendicular to the magnetic field of flux density 0 . 15T . If the resistance of the

JEE Main 2023 Solution View → 62

An emf of 0 . 08V is induced in a metal rod of length 10cm held normal to a uniform magnetic field of 0 . 4T , when move with a velocity of:

JEE Main 2023 Solution View → 63

Two concentric circular coils with radii 1cm and 1000cm and number of turns 10 and 200 respectively are placed coaxially with centers coinciding. The mutual inductance of this

JEE Main 2023 Solution View → 64

The induced emf can be produced in a coil by A. moving the coil with uniform speed inside uniform magnetic field B. moving the coil with non uniform speed inside uniform magnetic

JEE Main 2023 Solution View → 65

For the plane electromagnetic wave given by E = E _ 0 sin ( – kx ) and B = B _ 0 sin ( - kx ) , the ratio of average electric energy density to average magnetic energy density is

JEE Main 2023 Solution View → 66

A square shaped coil of area 70 cm ^ 2 having 600 turns rotates in a magnetic field of 0 . 4Wb m ^ – 2 , about an axis which is parallel to one of the side of the coil and

JEE Main 2023 Solution View → 67

In an ac generator, a rectangular coil of 100 turns each having area 14 × 10 ^ – 2 m ^ 2 is rotated at 360rev min ^ - 1 about an axis perpendicular to a uniform magnetic field of

JEE Main 2023 Solution View → 68

As per the given figure, if (dI)/(dt) = - 1A s ^ - 1 , then the value of V _ AB at this instant will be ______ V .

JEE Main 2023 Solution View → 69

Find the mutual inductance in the arrangement, when a small circular loop of wire of radius R is placed inside a large square loop of wire of side L ( L ≫ R ) . The loops are

JEE Main 2023 Solution View → 70

A certain elastic conducting material is stretched into a circular loop. It is placed with its plane perpendicular to a uniform magnetic field B = 0 . 8T . When released the

JEE Main 2023 Solution View → 71

A wire of length 1m moving with velocity 8m s ^ - 1 at right angles to a magnetic field of 2T . The magnitude of induced emf, between the ends of wire will be ___________.

JEE Main 2023 Solution View → 72

A metallic rod of length L is rotated with an angular speed of ω normal to a uniform magnetic field B about an axis passing through one end of rod as shown in figure. The induced

JEE Main 2023 Solution View → 73

A conducting loop of radius 10 π cm is placed perpendicular to a uniform magnetic field of 0 . 5T . The magnetic field is decreased to zero in 0 . 5s at a steady rate. The induced

JEE Main 2023 Solution View → 74

For the given circuit the current through battery of 6V just after closing the switch ' S ' will be _____ A . ​​​​​​​

JEE Main 2022 Solution View → 75

A conducting circular loop is placed in X - Y plane in presence of magnetic field → B = (3 t ^ 3 ^ j + 3 t ^ 2 ^ k ) in SI unit. If the radius of the loop is 1m , the induced emf

JEE Main 2022 Solution View → 76

In a coil of resistance 8Ω , the magnetic flux due to an external magnetic field varies with time as ϕ = (2)/(3)(9 - t ^ 2 ) . The value of total heat produced in the coil, till

JEE Main 2022 Solution View → 77

In a series LR circuit X _ L = R and power factor of the circuit is P _ 1 . When capacitor with capacitance C such that X _ L = X _ C is put in series, the power factor becomes P

JEE Main 2022 Solution View → 78

Magnetic flux (in weber) in a closed circuit of resistance 20Ω varies with time t(s) as ϕ = 8 t ^ 2 - 9t + 5 . The magnitude of the induced current at t = 0 . 25s will be _____ mA

JEE Main 2022 Solution View → 79

A small square loop of wire of side l is placed inside a large square loop of wire L(L ≫ l) . Both loops are coplanar and their centres coincide at point O as shown in figure. The

JEE Main 2022 Solution View → 80

A coil is placed in a time varying magnetic field. If the number of turns in the coil were to be halved and the radius of wire doubled, the electrical power dissipated due to the

JEE Main 2022 Solution View → 81

Two coils of self inductance L _ 1 and L _ 2 are connected in series combination having mutual inductance of the coils as M . The equivalent self inductance of the combination

JEE Main 2022 Solution View → 82

A metallic conductor of length 1m rotates in a vertical plane parallel to east-west direction about one of its end with angular velocity 5rad s ^ - 1 . If the horizontal component

JEE Main 2022 Solution View → 83

The magnetic flux through a coil perpendicular to its plane is varying according to the relation ϕ = (5 t ^ 3 + 4 t ^ 2 + 2t - 5) Weber. If the resistance of the coil is 5ohm

JEE Main 2022 Solution View → 84

A 10Ω, 20mH coil carrying constant current is connected to a battery of 20V through a switch. Now after switch is opened current becomes zero in 100 . The average e.m.f. induced

JEE Main 2022 Solution View → 85

The current in a coil of self inductance L = 2 . 0H is increasing according to the law i = 2sin( t ^ 2 ) . Find the amount of energy spent (in J ) during the period when the

JEE Main 2022 Solution View → 86

A circular coil of 1000 turns each with area 1 m ^ 2 is rotated about its vertical diameter at the rate of one revolution per second in a uniform horizontal magnetic field of 0 .

JEE Main 2022 Solution View → 87

Paragraph A special metal S conducts electricity without any resistance. A closed wire loop, made of S , does not allow any change in flux through itself by inducing a suitable

JEE Advanced 2021 Solution View → 88

A long straight wire carries a current, I = 2 ampere. A semi-circular conducting rod is placed beside it on two conducting parallel rails of negligible resistance. Both the rails

JEE Advanced 2021 Solution View → 89

For the given circuit the current i through the battery when the key in closed and the steady state has been reached is

JEE Main 2021 Solution View → 90

A square loop of side 20cm and resistance 1Ω is moved towards right with a constant speed v _ 0 . The right arm of the loop is in a uniform magnetic field of 5T . The field is

JEE Main 2021 Solution View → 91

A coil is placed in a magnetic field → B as shown below : A current is induced in the coil because → B is :

JEE Main 2021 Solution View → 92

A small square loop of side a and one turn is placed inside a larger square loop of side b and one turn ( b ≫ a ) . The two loops are coplanar with their centres coinciding. If a

JEE Main 2021 Solution View → 93

A constant magnetic field of 1T is applied in the x > 0 region. A metallic circular ring of radius 1m is moving with a constant velocity of 1m s ^ - 1 along the x -axis. At t = 0s

JEE Main 2021 Solution View → 94

A bar magnet is passing through a conducting loop of radius R with velocity v . The radius of the bar magnet is such that it just passes through the loop. The induced e.m.f. in

JEE Main 2021 Solution View → 95

A circular coil of radius 8 . 0cm and 20 turns is rotated about its vertical diameter with an angular speed of 50rad s ^ - 1 in a uniform horizontal magnetic field of 3 . 0 × 10 ^

JEE Main 2021 Solution View → 96

In the given figure the magnetic flux through the loop increases according to the relation ϕ _ B ( t ) = 10 t ^ 2 + 20t , where ϕ _ B is in milliwebers and t is in seconds. The

JEE Main 2021 Solution View → 97

Consider an electrical circuit containing a two way switch S . Initially S is open and then T _ 1 is connected to T _ 2 . As the current in R = 6Ω attains a maximum value of

JEE Main 2021 Solution View → 98

A circular conducting coil of radius 1m is being heated by the change of magnetic field → B passing perpendicular to the plane in which the coil is laid. The resistance of the

JEE Main 2021 Solution View → 99

The arm PQ of a rectangular conductor is moving from x = 0 to x = 2b outwards and then inwards from x = 2b to x = 0 as shown in the figure. A uniform magnetic field perpendicular

JEE Main 2021 Solution View → 100

The magnetic field in a region is given by → B = B _ 0 ((x)/(a)) ^ k . A square loop of side d is placed with its edges along the x and y axes. The loop is moved with a constant

JEE Main 2021 Solution View → 101

A conducting bar of length L is free to slide on two parallel conducting rails as shown in the figure Two resistors R _ 1 and R _ 2 are connected across the ends of the rails.

JEE Main 2021 Solution View → 102

A coil of inductance 2H having negligible resistance is connected to a source of supply whose voltage is given by V = 3t volt. (where t is in second). If the voltage is applied

JEE Main 2021 Solution View → 103

The inductors of two LR circuits are placed next to each other, as shown in the figure. The values of the self-inductance of the inductors, resistances, mutual-inductance and

JEE Advanced 2020 Solution View → 104

A light disc made of aluminum (a nonmagnetic material) is kept horizontally and is free to rotate about its axis as shown in the figure. A strong magnet is held vertically at a

JEE Advanced 2020 Solution View → 105

An infinitely long straight wire carrying current I, one side opened rectangular loop and a conductor C with a sliding connector are located in the same plane, as shown in the

JEE Main 2020 Solution View → 106

Two concentric circular coils, C _ 1 and C _ 2 , are placed in the XY plane. C _ 1 has 500 turns, and a radius of 1cm . C _ 2 has 200 turns and radius of 20cm. C _ 2 carries a

JEE Main 2020 Solution View → 107

A uniform magnetic field B exists in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has a diameter of 4mm and a total length of 30cm . The

JEE Main 2020 Solution View → 108

An inductance coil has a reactance of 100Ω . When an AC signal of frequency 1000Hz is applied to the coil, the applied voltage leads the current by 45 ° . The self-inductance of

JEE Main 2020 Solution View → 109

A circular coil of radius 10cm is placed in a uniform magnetic field of 3 . 0 × 10 ^ - 5 T with its plane perpendicular to the field initially. It is rotated at constant angular

JEE Main 2020 Solution View → 110

In a fluorescent lamp choke (a small transformer) 100V of reverse voltage is produced when the choke current changes uniformly from 0.25A to 0 in a duration of 0.025ms . The

JEE Main 2020 Solution View → 111

At time t = 0 magnetic field of 1000Gauss is passing perpendicularly through the area defined by the closed loop shown in the figure. If the magnetic field reduces linearly to

JEE Main 2020 Solution View → 112

A planar loop of wire rotates in a uniform magnetic field. Initially, at t = 0 , the plane of the loop is perpendicular to the magnetic field. If it rotates with a period of 10s

JEE Main 2020 Solution View → 113

Consider a circular coil of wire carrying constant current I, forming a magnetic dipole. The magnetic flux through an infinite plane that contains the circular coil and excluding

JEE Main 2020 Solution View → 114

A loop ABCDEFA of straight edges has six corner points A(0, 0, 0), B(5, 0, 0), C(5, 5, 0), D(0, 5, 0), E(0, 5, 5) and F(0, 0, 5) . The magnetic field in this region is → B = (3 ^

JEE Main 2020 Solution View → 115

A coil of inductive reactance 3 1 Ω has a resistance of 8 Ω . It is placed in series with a condenser of capacitive reactance 2 5 Ω . The combination is connected to an ac source

NTA Abhyas JEE Main 2020 Solution View → 116

A solenoid has 2000 turns wound over a length of 0.30 m . The area of its cross section is 1.2 × 10 ^ - 3 m^ 2 . Around its central section, a coil of 300 turns is wound. If an

NTA Abhyas JEE Main 2020 Solution View → 117

The magnetic flux through a circuit of resistance R changes by an amount Δ ϕ in a time Δ t . Then the total quantity of electric charge Q , that passes through any point in the

NTA Abhyas JEE Main 2020 Solution View → 118

A simple pendulum with a bob of mass m and a conducting wire of length L , swings under gravity with an angular amplitude θ . If the horizontal component of the earth's magnetic

NTA Abhyas JEE Main 2020 Solution View → 119

A conducting circular loop is placed in a uniform magnetic field 0. 04T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2mms^ - 1 .

NTA Abhyas JEE Main 2020 Solution View → 120

A conducting ring of radius r and resistance R is placed in a region of uniform time varying magnetic field B which is perpendicular to the plane of the ring. If the magnetic

NTA Abhyas JEE Main 2020 Solution View →
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