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Q.

In LCR circuit shown in figure, then choose incorrect option

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a

Current will lead the voltage

b

rms value of current is 20 A

c

Power factor of the circuit is 12

d

Voltage drop across resistance = voltage drop across inductor

answer is B.

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Detailed Solution

tan⁡θ=Xc−XLXR and cos⁡θ= power factor. As the supply voltage is not given , current cannot be calculated .
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