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Alternating Current — Practice Questions

OJEE · Physics

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

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A comparison of Alternating Current (AC) and Direct Current (DC) waveforms, showing AC as a sinusoidal wave changing direction and magnitude, and DC as a constant, unidirectional line.
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Practice Questions — Alternating Current

242 questions available from Alternating Current for OJEE Physics.

Question Types

multiple choiceassertion reasoningnumericalmultiple correct

Sample Questions

1multiple choice1 marks

An AC voltage is given by V = 220 sin(314t) volts. What is the RMS value of this voltage?

2multiple choice1 marks

In a purely inductive AC circuit, the current:

3multiple choice1 marks

The inductive reactance of a coil having inductance 0.5 H at frequency 50 Hz is:

4multiple choice1 marks

In a purely capacitive AC circuit, the current:

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Frequently Asked Questions

What topics are covered in Alternating Current for OJEE?
Alternating Current is an important chapter in OJEE Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Fundamentals of Alternating Current, AC Voltage Applied to Pure Components, Series LCR Circuit and Impedance, Resonance in AC Circuits.
How important is Alternating Current for OJEE?
Alternating Current is a frequently tested chapter in OJEE Physics. Questions from this chapter appear regularly in previous year papers. There are 242 practice questions available for this chapter.
How to prepare Alternating Current for OJEE?
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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