A 0.5 T field decreases uniformly from 0.5 T to 0 T in 0.2 s across a 0.1 m² loop. What is the induced EMF?
Q1. A 0.5 T field decreases uniformly from 0.5 T to 0 T in 0.2 s across a 0.1 m² loop. What is the induced EMF?
Answer: 0.25 V
Explanation: EMF = -N ΔΦ/Δt. Option B squares area change.