A LCR series combination is connected to an AC source. If voltages across the inductor, capacitor, resistor are 40V,80V and 40V respectively. Then the voltage across the AC source is x√2V. Find x
A
40.0
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B
40.00
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C
40
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Solution
VR=40V;VC=80V;VL=40V
Voltage across the AC source is, Vrms=√(VR)2+(VC−VL)2