Home Physics Alternating Current Alternating Current, Voltage and Power An LCR series circuit with 100 Ω Ω resistanc…
Physics Alternating Current Alternating Current, Voltage and Power MCQ (Single Correct)

An LCR series circuit with 100 Ω Ω resistance is connected to an AC source of 200 V and angular frequency 300 radians per second. When only the capacitance is removed, the current lags behind the voltage by 60º. When only the inductance is removed, the current leads the voltage by 60º. Then the current and power dissipated in LCR circuit are respectively

A
1A, 200 watt
B
1A, 400 watt
C
2A, 200 watt
D
2A, 400 watt

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Text Solution

Verified by Experts
The correct answer is:
D

When capacitance is removed

when inductance is removed

So

Power

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