Physics · JEE

Online Practice: Electromagnetic Induction and Alternating Currents for JEE

16+ syllabus-aligned questions available

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Goodmarks provides free online JEE practice for Electromagnetic Induction and Alternating Currents with 16+ MCQs, instant answer checking, and full solutions. Sign up to unlock the complete question bank and topic-wise filters.

Sharpen your physics preparation with interactive online practice for Electromagnetic Induction and Alternating Currents. Goodmarks offers 16+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

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

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Q1PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

The average half-cycle value of a sine wave with a

40 V

peak is

Q2PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

Which of the following statement regarding transformer is incorrect?

Q3PhysicsUnit 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:

Q4PhysicsUnit 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

Q5PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

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) \mathrm{mA} .

The power dissipated in the circuit

Q6PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

The current flowing through the resistor in a series LCR a.c. circuit, is

\boldsymbol{I}=\varepsilon / \boldsymbol{R}

Now the inductor and capacitor are connected in parallel and joined in series with the resistor as shown in figure. The current in the circuit is now. (Symbols have their usual meaning)

Q7PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A current is induced in a coil by electromagnetic induction.

Q8PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

In series LCR circuit

R=18 \Omega

and impedance is

33 \Omega

. An r.m.s. voltage

220 V

is applied across the circuit. The true power consumed in a.c. circuit is

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Frequently asked questions

How do I practice Electromagnetic Induction and Alternating Currents online for JEE?

Open this page, attempt the free sample MCQs, then sign up on Goodmarks to access the full Electromagnetic Induction and Alternating Currents question bank with topic filters and detailed explanations.

How many Electromagnetic Induction and Alternating Currents questions are available?

Goodmarks currently has 16+ JEE-aligned MCQs for Electromagnetic Induction and Alternating Currents, with more added regularly.

Is this aligned with the JEE Main syllabus?

Yes. All Physics questions on Goodmarks are organised by official JEE Main units and subtopics, including 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.

Do I get solutions after each question?

Every question includes the correct answer and a step-by-step explanation. Free users can practise a random mix; Pro unlocks full subject and topic filters.