A circular coil of mean radius of `7 cm` and having `4000` turns Is rotate at the rate of `1800`
Channel: Doubtnut
Date: 2020-01-19

A circular coil of mean radius of `7 cm` and having `4000` turns Is rotate at the rate of `1800` revolution per minute in the earth \'s magnetic field (B=0.5 gauss), the maximum e.m.f. induced in coil will be