Q.

An inductor, capacitor and resistance connected in series. The combination is connected across AC source.
Assertion: Peak current through each remains same.
Reason: Average power delivered by source is equal to average power developed across resistance.

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a

Both A and R are true and R is the correct explanation of A

b

A is false but R is true

c

A is true but R is false

d

Both A and R are true but R is not the correct explanation of A

answer is B.

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Detailed Solution

As R, L and C are connected in series, the maximum current through each element remains the same. Therefore, the peak value of current through each element remains the same.
The average power delivered by the source is the average power dissipated in the resistor. Real power is not consumed either in inductor or capacitor.

Real Power = I2rmsR

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