An e.m.f is produced in a coil, which is not connected to an external voltage source. This is not due to
A. the coil being in a time varying magnetic field.
B. the coil moving in a time varying magnetic field.
C. the coil moving in a constant magnetic field.
D. the coil is stationary in external spatially varying magnetic field, which does not change with time.
Answer:A
An e.m.f is produced in a coil, which is not connected to an external voltage source. This is not due to
A. the coil being in a time varying magnetic field. B. the coil moving in a time varying magnetic field. C. the coil moving in a constant magnetic field. D. the coil is stationary in external spatially varying magnetic field, which does not change with time.