Question Detail

PHY 102 Electromagnetic Induction Objective Question

Question

What is the motional emf for a wire of length 0.3 m moving at 10 m/s perpendicular to a 0.5-T magnetic field?
Options
A 1.5 V
Correct Answer
B 15 V
C 0.15 V
D 150 V
Correct Answer

Option A is the correct answer.

Detailed Explanation

ε = B L v = (0.5 T)(0.3 m)(10 m/s) = 1.5 V.

Hint

Multiply B × L × v.

Question Info