Questions
An inductance, a capacitance and a resistance are connected in series across a source of alternating voltage. At resonance, the applied voltage and the current flowing through the circuit will have a phase difference of
detailed solution
Correct option is A
ϕ=tan−1(XR) =tan−1(0R) (∵ X=XL−XC=0) =00 .Talk to our academic expert!
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In the series LCR circuit as shown in figure, the heat developed in 80 seconds and amplitude of wattless current is:
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