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Which of the following statements about a series LCR circuit connected to an ac source is correct?

Q1

Which of the following statements about a series LCR circuit connected to an ac source is correct?

a

If the frequency of the source is increased, the impedance of the circuit first decreases and then increases.

b

If the net reactance \(\left({X}_{L}-{X}_{C}\right)\) of circuit becomes equal to its resistance, then the current leads the voltage by \({45}^{0}\).

c

At resonance, the voltage drop across the inductor is more than that across the capacitor.

d

At resonance, the voltage drop across the capacitor is more than that across the inductor.

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