NEET 2024 Model Paper

A circular wire loop of radius r rotates about the y-axis with angular velocity ω. The normal to the loop is always perpendicular to the y-axis. At time t=0, the normal is parallel to the z-axis. An external magnetic field

→

B

=By

^

j

+Bz

^

k

is applied. The e.m.f. (ε) induced in the loop is