Poil is 30 A coil of effective area 4 m is placed at right

Last updated: 6/12/2023

Poil is 30 A coil of effective area 4 m is placed at right angles to the magnetic induction B The e m f of 0 32 V is induced in the coil When the field is reduced to 20 of its initial value in 0 5 sec Find B in wb m