Question Detail

PHY 102 Electromagnetic Induction Objective Question
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Question

If the magnetic field in an AC generator is reduced by half, the maximum emf will:
Options
A Double
B Reduce by half
Correct Answer
C Quadruple
D Remain the same
Correct Answer

Option B is the correct answer.

Detailed Explanation

ε_max = NBAω, so it is directly proportional to B. Halving B halves the maximum emf.

Hint

Directly proportional to B.

Question Info

Course: PHY 102
Topic: Electromagnetic Induction
Type: Objective
Difficulty: Not specified
Question 38 of 1819
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