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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2009
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Q)

Power dissipated in an LCR series circuit connected to an a.c. source of emf ? is : 2


( A ) $\frac{\epsilon^{2}[R^{2}+{(L\omega-\frac{1}{C\omega}})^2]}{R}$
( B ) $\epsilon^{2}R/[R^{2}+(L\omega-\frac {1}{C\omega})^{2}]$
( C ) $\epsilon^{2}\sqrt{[R^{2}+(L\omega-\frac{1}{C\omega})^{2}]/R}$
( D ) $\epsilon^{2}R/ \sqrt{R^{2}+(L\omega-\frac {1}{C\omega})^{2}}$

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