Question Detail

PHY 102 Electromagnetic Induction Objective Question
Take CBT

Question

A wire of length 0.4 m moves at 6 m/s at 90° to a 0.3-T field. What is the induced emf?
Options
A 0.72 V
Correct Answer
B 7.2 V
C 0.072 V
D 1.44 V
Correct Answer

Option A is the correct answer.

Detailed Explanation

ε = B L v sin θ. sin 90° = 1, so ε = (0.3)(0.4)(6) = 0.72 V.

Hint

Perpendicular motion uses full velocity.

Question Info

Course: PHY 102
Topic: Electromagnetic Induction
Type: Objective
Difficulty: Not specified
Question 43 of 1819
Previous Course Details Next