An
series circuit with
resistance is connected to an AC source
and angular frequency
. When only the capacitance is removed, the current lags behind the voltage by
, and if when only inductance is removed, the current leads the voltage by
. The current and power dissipated in the
circuit is
Text Solution
Verified by ExpertsD
Given, 
When capacitance is removed, then circuit is
circuit.

When inductance is removed, then circuit is
circuit.

From Eqs. (i) and (ii), we get

Impedance,

Current in
circuit,

Power dissipated in
circuit, when 

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