A rectangular coil of single turn, having area A, rotates in a uniform magnetic field B with an angular velocity ω about an axis perpendicular to the field. If initially the plane of coil is perpendicular to the field, then the average induced e.m.f. when it has rotated through 900 is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

ωBAπ

ωBA2π

ωBA4π

2ωBAπ

answer is D.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

e=∆φ∆t BAt and ω=2πT T=2πωTime taken for the coil to rotate through900=t=T/4=2π4ω=π2ωe=BAt=BAπ/2ω=2BAωπ

Watch 3-min video & get full concept clarity