Question Detail

PHY 102 Electromagnetic Induction Objective Question

Question

If a wire of length 0.5 m moves at 8 m/s perpendicular to a 0.2-T field, what is the induced emf?
Options
A 0.8 V
Correct Answer
B 0.2 V
C 8 V
D 0.08 V
Correct Answer

Option A is the correct answer.

Detailed Explanation

ε = B L v = (0.2 T)(0.5 m)(8 m/s) = 0.8 V.

Hint

Multiply B × L × v.

Question Info