In the series LCR circuit, the power dissipation is through?
A
R
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B
L
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C
C
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D
Both L and C
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Solution
The correct option is A R The question should be in a resonate LCR circuits 'L' α 'C' do not dissipate power.
The impedance of a series LCR circuit is given by will be minimum when ωL=1/ωC, i.e., when the circuit is under resonance. Hence, for this condition, Z will be minimum and will be equal to R.