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BITSAT Electromagnetic Induction PYQs with Solutions

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

24 questionsPhysics2009–2024Answers + solutions

About Electromagnetic Induction PYQs

Electromagnetic Induction has 24 previous year questions in the Quantrex Academy BITSAT Physics bank. The 24 questions in this list come from BITSAT (24), spanning 2009 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

BITSAT Electromagnetic Induction PYQs with Solutions

About Electromagnetic Induction PYQs

Questions by year (this list)

Electromagnetic Induction questions with solutions

Inside a solenoid of radius 0.5 m , magnetic field is changing at a rate of 50 × 10^ -6 T / s . Acceleration of an electron placed at a distance of 0.3 m from axis of solenoid

There are two long co-axial solenoids of same length l . The inner and outer coils have radii r_1 and r_2 and number of turns per unit length n_1 and n_2 , respectively. The ratio

A rectangular loop of length 2.5 m and width 2 m is placed at 60^ ^ ∘ to a magnetic field of 4 T. The loop is removed from the field in 10 sec. The average emf induced in the loop

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

In an LC oscillator, if values of inductance and capacitance become twice and eight times, respectively, then the resonant frequency of oscillator becomes x times its initial

A conducting loop of radius 10 π cm is placed perpendicular to a uniform magnetic field of 0.5 T . The magnetic field is decreased to zero in 0.5 s at a steady rate. The induced

A metal disc of radius 100 cm is rotated at a constant angular speed of 60 rad / s in a plane at right angles to an external field of magnetic induction 0.05 Wb / ^ 2 . The emf

A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its side. A magnetic induction B constant in time and

A semicircular wire of radius r rotates in uniform magnetic field B about its diameter with angular velocity ω . If the total resistance of the circuit is R , then the mean power

In a coil of resistance 50Ω , the induced current developed by changing magnetic flux through it, is shown in figure as a function of time. The magnitude of change in flux through

Two inductors L _ 1 and L _ 2 are connected in parallel and a time varying current flows as shown in figure. The ratio ot current (i1)/(i2) at any ime t Is

A conducting circular loop is placed in a uniform magnetic field, B = 0. 025T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate

An inductor of inductance L=400 mH and resistors of resistance R_ 1 =2 Ω and R_ 2 =2 Ω are connected to a battery of emf 12 V as shown in the figure. The internal resistance of

A conducting circular loop is placed in a uniform magnetic field of 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm / s

A conducting square loop is placed in a magnetic field B with its plane perpendicular to the field. The sides of the loop start shrinking at a constant rate α . The induced emf in

A coil 10 turns and a resistance of 20 Ω is connected in series with B.G of resistance 30 Ω . The coil is placed with its plane perpendicular to the direction of a uniform

Eddy currents are produced when

Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross-sectional area A=10 ~cm^ 2 and length =20 ~cm . If one of the solenoid has 300 turns and the

The ratio of secondary and primary turns of step-up transformer is 4: 1. If a current of 4 A is applied to the primary, the induced current in secondary will be

The laws of electromagnetic induction have been used in the construction of a

A metal rod of length 1 m is rotated about one of its ends in a plane right angles to a field of inductance 2.5 × 10^ -3 Wb / ^ 2 . If it makes 1800 revolutions/min. Calculate

The back emf induced in a coil, when current changes from 1 ampere to zero in one milli-second, is 4 volts, the self inductance of the coil is

Two solenoids of same cross-sectional area have their lengths and number of turns in ratio of 1: 2. The ratio of self-inductance of two solenoids is

Lenz's law is a consequence of the law of conservation of

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