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Alternating Current — Practice Questions

JEE Mains · Physics

Free Alternating Current practice questions for JEE Mains Physics 2026 — chapter-wise MCQs with answers and detailed solutions.

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A diagram explaining the concept of a phasor as a rotating vector that represents a sinusoidal AC quantity (like voltage or current) by its length (amplitude) and its angle (phase) relative to a refer
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Practice Questions — Alternating Current

74 questions available from Alternating Current for JEE Mains Physics.

Question Types

multiple choicenumericalassertion reasoning

Sample Questions

1multiple choice1 marks

What is the frequency of AC supply in India?

2multiple choice1 marks

The RMS value of an AC current with peak value 10 A is:

3multiple choice1 marks

In a purely resistive AC circuit, the current and voltage are:

4multiple choice1 marks

The inductive reactance of a 0.1 H inductor at 50 Hz is:

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Frequently Asked Questions

What topics are covered in Alternating Current for JEE Mains?
Alternating Current is an important chapter in JEE Mains Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Introduction to Alternating Current, AC Values - Peak, RMS, and Average, Phasors and AC Circuit Analysis, AC Circuits with Individual Elements.
How important is Alternating Current for JEE Mains?
Alternating Current is a frequently tested chapter in JEE Mains Physics. Questions from this chapter appear regularly in previous year papers. There are 74 practice questions available for this chapter.
How to prepare Alternating Current for JEE Mains?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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