A wire in the form of a circular loop of radius lies in a plane normal to a magnetic…
PHYSICS · Numerical · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
A wire in the form of a circular loop of radius 10 cm lies in a plane normal to a magnetic field of 100 T. If the wire is pulled to form a square in the same plane in 0.1 s, find the average induced emf in the loop.