Question Detail

PHY 102 Test Compilation PHY 102 5 Objective Question
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Question

Coil of wire with N turns, area A, in B field, angle φ between normal and B. Which change produces emf?
Options
A B decreased
B A increased
C φ decreased
D any of the above
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

emf = -N d(BA cosφ)/dt. Changing B, A, or φ changes flux.

Hint

Any change in flux induces emf.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 5
Type: Objective
Difficulty: Not specified
Question 397 of 1819
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