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In an LCR series circuit, at resonance...

In an LCR series circuit, at resonance

A

a. the current and voltage are in phase

B

b. the impedance is maximum

C

c. the current is minimum

D

d. the quality factor is independent of R

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • In LCR series circuit, at resonance is ………… .

    A
    impedance (Z) is maximum
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    impedance is maximum
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    voltage leads the current by a phase angle `(pi)/(2)`

  • If an LCR series circuit is connected to an ac source, then at resonance the voltage across

    A
    a) R is zero
    B
    b) R equals the applied voltage
    C
    c) C is zero
    D
    d) L equals the applied voltage

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