Q1PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Which of the following is true in context
of Eddy currents?
Physics · JEE
Electromagnetic Induction and Alternating Currents Revision for JEE
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Revise Electromagnetic Induction and Alternating Currents by covering every subtopic once, drilling formulas, then solving 110+ timed MCQs with full solutions.
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Revision checklist
- 1.Faraday's law, inductance, eddy currents
- 2.AC: RMS, reactance, impedance, resonance
- 3.Transformer and generator basics
- 4.Revise Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance with 10 MCQs
- 5.Revise Alternating currents, peak and RMS value of alternating current/voltage with 10 MCQs
- 6.Revise Reactance and impedance, LCR series circuit, resonance, power in AC circuits, wattless current with 10 MCQs
- 7.Revise AC generator and transformer with 10 MCQs
JEE Formula Sheet
6+ important formulas for Electromagnetic Induction and Alternating Currents
Subtopics in Electromagnetic Induction and Alternating Currents
- Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance
- Alternating currents, peak and RMS value of alternating current/voltage
- Reactance and impedance, LCR series circuit, resonance, power in AC circuits, wattless current
- AC generator and transformer
View Electromagnetic Induction and Alternating Currents formula sheet — 6+ JEE formulas
Free sample questions
Attempt 8 free MCQs for Electromagnetic Induction and Alternating Currents. Unlock 106+ more with Pro.
Q2PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Choose the incorrect statement.
Q3PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
An alternating voltage given as is applied to a
capacitor of . The current reading of
the ammeter will be equal to
Q4PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
The average half-cycle value of a sine
wave with a peak is
Q5PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Which of the following statement
regarding transformer is incorrect?
Q6PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
A circuit has a self-inductance of
and carries a current of To prevent sparking, when the circuit is switched off, a capacitor which can withstand
is used. The least capacitance of
the capacitor connected across the
switch must be equal to
Q7PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
The input AC voltage to the transformer
is and output is . Then:
Q8PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
A magnet is allowed to fall through a copper circular wire. Then during fall:
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Popular questions in Electromagnetic Induction and Alternating Currents
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- An alternating voltage given as \( \boldsymbol{V}= \) \( \mathbf{1 0 0} \sqrt{\mathbf{2}} \sin 100 t \quad \) is applied…
- Which of the following statement regarding transformer is incorrect?…
- In series LCR circuit \( R=18 \Omega \) and impedance is \( 33 \Omega \). An r.m.s. voltage \( 220 V \) is applied acros…
- In an a.c. circuit \( \mathrm{V} \) and I are given by \( V=50 \sin 50 t \) volt and \( I= \) \( 100 \sin (50 t+\pi / 3)…
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