Question Detail

PHY 102 Electromagnetic Induction Objective Question

Question

At what angle does an AC generator produce maximum emf?
Options
A
B 90°
Correct Answer
C 180°
D 270°
Correct Answer

Option B is the correct answer.

Detailed Explanation

EMF = NBAω sin θ is maximum when sin θ = 1, i.e., θ = 90° (or 270°).

Hint

Maximum when sin θ = 1.

Question Info