Question Detail
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?
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.