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प्रश्न
Two pure inductors each of self-inductance L are connected in series, the net inductance is ______
पर्याय
2L
L
L/2
L/4
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उत्तर
Two pure inductors each of self-inductance L are connected in series, the net inductance is 2L.
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संबंधित प्रश्न
In a given coil of self-inductance of 5 mH, current changes from 4 A to 1 A in 30 ms. Calculate the emf induced in the coil.
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(b) rate of Joule heating if the same current goes through them
(c) magnetic field energy if the same current goes through them
(d) time constant if one solenoid is connected to one battery and the other is connected to another battery.
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A current of 1A flows through a coil when it is connected across a DC battery of 100V. If the DC battery is replaced by an AC source of 100 V and angular frequency of 100 rad s-1, the current reduces to 0.5 A. Find
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Obtain an expression for the self inductance of a solenoid.
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