Question Detail
Question
A 100-turn coil with area 0.01 m² rotates in a 0.2-T field at 50 rad/s. What is the maximum emf?
Correct Answer
Option A is the correct answer.
Detailed Explanation
ε_max = NBAω = (100)(0.2 T)(0.01 m²)(50 rad/s) = 100 × 0.2 × 0.01 × 50 = 10 V.
Hint
Multiply N × B × A × ω.