Physics · JEE

Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance Concepts for JEE

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Quick answer

Master Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

Build clear conceptual foundations for Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.

Concept explainer

Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance is a core JEE Main Physics subtopic under Electromagnetic Induction and Alternating Currents. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

Understand the definition and scope of Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance in the JEE syllabus
Memorise key formulas and standard results linked to Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance
Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

Revise Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance with a one-page formula sheet before attempting mixed tests
After each practice set, log mistakes specific to Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance and reattempt after 48 hours

Common trap

Students often rush Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of Electromagnetic Induction and Alternating Currents in JEE Main Physics.

Free sample questions

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Q1PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

Which of the following is true in context of Eddy currents?

Q2PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A circuit has a self-inductance of

1 \boldsymbol{H}

and carries a current of

2 A .

To prevent sparking, when the circuit is switched off, a capacitor which can withstand

400 V

is used. The least capacitance of the capacitor connected across the switch must be equal to

Q3PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A magnet is allowed to fall through a copper circular wire. Then during fall:

Q4PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

If given arrangement is moving towards left with speed

v,

then potential difference between

B

and

D

and current in the loop are respectively.

Q5PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

Magnitude of e.m.f. produced in a coil when a magnet is inserted into it does not depend upon:

Q6PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

toppr Q Type your question insulated from each other. The entire loop lies in the plane (of the paper). A uniform magnetic field

B

point into the plane of the paper. At

t=0,

the loop starts rotating about the common diameter as axis with a constant angular velocity

\omega

in the magnetic field Which of the following options is/are correct? This question has multiple correct options

Q7PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

When a coil rotated in magnetic field induced current in it :

Q8PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A current is induced in a coil by electromagnetic induction.

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Frequently asked questions

What concepts in Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance are essential for JEE?

Focus on core ideas across Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance. JEE tests application, not just memorisation.