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Ac Questions

Practice 2 Ac questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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2
Total Questions
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1
Easy
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1
Medium
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Hard
Practice by Exam:Physics(2)

About AC — practice questions, PYQs & concepts

AC is a frequently-tested topic on Physics. ExamTest.live currently lists 2 AC questions, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

AC weight in competitive exams

Across our AC question bank, the largest sources are Physics (2). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 1 easy AC questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Ac Questions(1–2 of 2)

Filter:
Q1mediummcqPhysicsPhysics
A coil of self-inductance is connected in series with a bulb and an AC source. Brightness of the bulb decreases when:
Q2easymcqPhysicsPhysics
A transformer having efficiency of is working on and power supply. If the current in the secondary coil is , the voltage across the secondary coil and the current in the primary coil respectively are:

Frequently Asked Questions

How many Ac questions are on ExamTest.live?▼
We have 2 Ac questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Ac MCQs free?▼
Yes. All Ac questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Ac questions?▼
Ac questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Ac questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.