A rectangular coil of 300 turns has an area of 25 cm×10 cm. The coil rotates with a speed of 50 cps in a uniform magnetic field of strength 4×10−2T about an axis perpendicular to the field. The peak value of the induced e.m.f is (in volt)

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

3000 π

300 π

30 π

3 π

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

N=300, A=25×10cm2=250×10−4m2 f=50 cps, B=4×10−2T Peak value of induced emfe=BANω =4×10−2×250×10−4×300×2πf =4×10−2×250×10−4×3000×2π(50) =30πV

Watch 3-min video & get full concept clarity