Question Detail
Question
If a coil of 200 turns has a flux change of 0.02 Wb in 0.05 s, what is the induced emf?
Correct Answer
Option A is the correct answer.
Detailed Explanation
|ε| = N|ΔΦ/Δt| = 200 × (0.02/0.05) = 200 × 0.4 = 80 V.
Hint
200 × 0.4 = 80.