A conducting loop in the form of a circle is placed in a uniform magnetic field with its plane perpendicular to the direction of the field. An emf will be induced in the loop if

Options

A. It is translated parallel to itself
B. It is rotated about one of its diameters
C. It is rotated about its own axis which is parallel to the field
D. The loop is deformed from the original shape

Answer

B, C

Explanation

Flux changes only in option (b) and ( c).