Assertion (A) : For a sustained induced motional emf across a metal rod, a constant work has to be done on the rod by an external agency for moving it with constant speed through the external magnetic field.
Reason (R) : Work done by the external force keeps the charges in motion through the rod for a sustained induced current.
Select the correct option.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false and R is also false
