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For an LCR series circuit with an A.C. source of angular frequency \( \omega \)
\( \mathrm{P} \)
(1) circuit will be capacitive if \( \omega\frac{1}{\sqrt{L C}} \)
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(2) circuit will be inductive if \( \omega=\frac{1}{\sqrt{L C}} \)
(3) power factor of circuit will be unity if capacitive reactance equals inductive reactance
(4) current will be leading voltage if \( \omega\frac{1}{\sqrt{L C}} \)
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