Questions
In an L.C.R. series a.c. circuit, the current
a
Is always in phase with the voltage
b
Always lags the generator voltage
c
Always leads the generator voltage
d
None of the above statements is ture
detailed solution
Correct option is D
tanϕ=VC−VLVR(if VC>VL)=VL−VCR(if VL>VC)Whereϕ is angle between current & applied voltageTalk 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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