Physics · 2009
NEET 2009 · Prelims · Code A · Q34
Power dissipated in an LCR series circuit connected to an a.c. source of emf ε is:
Power dissipated in an LCR series circuit connected to an a.c. source of emf $\displaystyle \varepsilon$ is :
Official answer
(2)
$$\varepsilon^2 \mathrm{R} /\left[\mathrm{R}^2+\left(\mathrm{Lw}-\frac{1}{\mathrm{Cw}}\right)^2\right]
$$
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NEET (UG) 2009 Physics question, with the answer from NTA’s final answer key. Where our answers come from.