In a series resonant LCR circuit, the voltage across R is 100 volts and R = 1kΩ with C = 2μF.The resonant frequency ω is 200 rad/s. At resonance the voltage across L is:
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a
250 V
b
2.5×10−2V
c
40 V
d
4×10−3V
answer is A.
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Detailed Solution
Current in circuit= 100/1000= 0.1 AVoltage across L= 0.1×1ωC= 250 V