⚡Chapter Practice
Electromagnetic Induction & AC — JEE Practice
30 practice questions across 2 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.
2 Topics30 Questions
Faraday's Law & EMI(15 Qs)
easy (5)
medium (5)
Q1A rod of length L moves with velocity v perpendicular to a uniform field B. The induced EMF is:Q2Self-inductance of a solenoid of N turns, length l, area A is:Q3The energy stored in an inductor carrying current I is:Q4Mutual inductance between two coils is defined as:Q5If the current through an inductor changes at rate dI/dt, the induced EMF is:
hard (5)
Q1A circular loop of radius R is in a time-varying field B = B₀sinωt perpendicular to the loop. The induced EMF is:Q2A conducting disc of radius R rotates at angular velocity ω in a perpendicular field B. The EMF between centre and rim is:Q3The time constant of an LR circuit is:Q4In a decaying LR circuit, the current drops to 1/e of initial value in time:Q5Eddy currents can be reduced by:
Alternating Current(15 Qs)
easy (5)
medium (5)
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