Choose the correct options for the following questions.
Power factor In an AC circuit is?
Difficulty: Easy
A:
$\cos\theta$
B:
$\sin\theta$
C:
$\tan\theta$
D:
None of these
The angle made by the coil of an AC generator at a time interval $\rm{\frac{3T}{4}}$ is?
Difficulty: Easy
A:
$2\pi$
B:
$\frac{\pi}{2}$
C:
$\frac{3\pi}{2}$
D:
$\pi$
Resistance of RCL series circuit at resonance is?
Difficulty: Easy
A:
$\rm{X_{c}}$
B:
$\rm{X_{L}}$
C:
$\rm{R}$
D:
$\rm{R\times X_{L}\times X_{C}}$
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