The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as

Related MCQs

• A certain amount of current flows through a ring-shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil ?
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• 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.
• An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be
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• The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the in ductance will be