In case of an inductance, current is proportional to

Related MCQs

• A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be
• Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be
• The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is_______Vs
• An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be
• A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is
• Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is
• The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit weber turns.
• When both the inductance and resistance of a coil are doubled the value of
• The inductance of a coil will increase under all the following conditions except
• Higher the self-inductance of a coil,