Susceptibility is positive for______________?
A. Non-magnetic substances
B. Diamagnetic substances
C. Ferromagnetic substances
D. None of the above
When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon____________?
A. Resistance of the coil
B. Motion of the magnet
C. Number of turns of the coil
D. Pole strength of the magnet
When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle?
A. Will be zero
B. Will be infinite
C. Will depend on the amount of e.m.f. applied
D. Will depend on the radius of the circle