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Physics
In an LCR series AC circuit at resonance
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Q. In an $LCR$ series $AC$ circuit at resonance
J & K CET
J & K CET 2010
Alternating Current
A
the capacitive reactance is more than the inductive reactance
6%
B
the capacitive reactance equals the inductive reactance
86%
C
the capacitive reactance is less than the inductive reactance
6%
D
the power dissipated is minimum
2%
Solution:
At resonance (series resonant circuit)
$X_{L}=X_{C}$
$\Rightarrow Z_{\min }=R$, ie, circuit behaves as resistive circuit.