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Question
In series LCR circuit, resistance is 18 `Omega` and impedance is 33 `Omega`. An r.m.s. voltage of 220 V is applied across the circuit. The true power consumed in a.c. circuit is ____________.
Options
200 V
600 V
800 V
400 V
MCQ
Fill in the Blanks
Solution
In series LCR circuit, resistance is 18 `Omega` and impedance is 33 `Omega`. An r.m.s. voltage of 220 V is applied across the circuit. The true power consumed in a.c. circuit is 800 V.
Explanation:
`"I" = "V"/"Z" = 220/33 = 20/3 "A"`
`"P" = "I"^2"R" = (20/3)^2 xx 18`
`= 800 "W"`
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Power in AC Circuit
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