Ac through inductor only

ac through inductor only

Let an alternating emf be applied to a circuit containing inductor only such type of circuit is called inductive circuit.

Let the emf applied to the circuit is

ac through inductor onlythen the induced emf across the inductor is

ac through inductor only

This emf opposes the growth of current in the circuit.

Applying kirchhoff’s voltage law in the loop of fig a

ac through inductor only

integrating above expression we get

ac through inductor only

This is the form of alternating current developed in the purely inductive circuit. equation i and ii shows that in a purely inductive circuit alternating emf leads the alternating current by π/2

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