Physics · JEE

Alternating currents, peak and RMS value of alternating current/voltage Previous Year Questions for JEE

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Goodmarks offers 3+ JEE-style PYQs for Alternating currents, peak and RMS value of alternating current/voltage with detailed solutions. While official past papers rotate yearly, our bank covers the same concepts, difficulty, and question formats tested in JEE Physics.

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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

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

Q3PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A steady current of magnitude

I

and an

A C

current of peak value

I

are allowed to pass through identical resistor for the same time. The ratio of heat produced in the two resistors will be :

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Why practise PYQs for Alternating currents, peak and RMS value of alternating current/voltage?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Alternating currents, peak and RMS value of alternating current/voltage, covering the same topics as previous year papers.

How should I use PYQs for Electromagnetic Induction and Alternating Currents?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.