A circular loop of radius 7 cm is placed in uniform Magnetic field of directed…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A circular loop of radius 7 cm is placed in uniform Magnetic field of

0.2\text{T}

directed perpendicular to plane of loop. The loop is converted into a square in 0.5s, the induced emf in the loop is ____ mV