In the series LCR circuit (figure), the voltmeter and ammeter readings are:
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a
V = 100 V, I = 2 A
b
V = 100 V, I = 5 A
c
V = 1000 V, I = 2 A
d
V = 300 V, I = 1 A
answer is A.
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Detailed Solution
HereVL=VC They are in opposite phase. Hence, they will cancel each other. Now the resultant potential difference is equal to the applied potential difference = 100 VZ = R (∴XL=XC)∴Irms=VrmsZ=VrmsR=10050=2A