Alternating Cur...

If resonant frequency is $$f$$ and capacitance become $$4$$ times, then resonant frequency will be :

When the frequency of the AC voltage applied to series LCR circuit is gradually increased from a low value, the impedance of the circuit:

If A.C. voltage is applied to a pure capacitor, then voltage across the capacitor _________.

The reactance of inductance at $$10^{4}Hz$$ is $$10^{4}\Omega$$. Its reactance at $$2\times 10^{4}Hz$$ will be :

Power dissipated in pure inductance will be

When the frequency of AC is doubled, the impedance of an LCR series circuit:

If $$V=100 \sin 100t$$ volt, and $$I=100 \sin(100t+\dfrac {\pi}{6})A$$. then find the watt less power in watt?

In AC circuit having only capacitor, the current _____.

'Z' is not.

In a pure capacitive circuit if the frequency of ac source is doubled, then its capacitive reactance will be