Phase relation between current and voltage in a series LCR circuit at resonance

1. A.
   $\frac{\pi}{4}$
2. B.
   $\frac{\pi}{2}$
3. C.
   $-\frac{\pi}{2}$
4. D.
   zero

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1. A.
   the impedance is maximum
2. B.
   the current is minimum
3. C.
   the current leads the voltage by $\dfrac{\pi}{2}$
4. D.
   the current and voltage are in phase

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1. A.
   the current is minimum.
2. B.
   the impedance is maximum.
3. C.
   the current leads the voltage by $\dfrac{\pi}{2}$
4. D.
   the current and voltage are in phase.

Tap an option to check your answer.