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Find the total voltage applied in a series RLC circuit when i=3mA, VL=30V, VC=18V and R=1000 ohms.

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Find the total voltage applied in a series RLC circuit when i=3mA, VL=30V, VC=18V and R=1000 ohms.

(a) 3.95V

(b) 51V

(c) 32.67V

(d) 6.67V

This question was addressed to me in a national level competition.

My query is from Alternating Current in an RLC Circuit topic in section Single Phase Series Circuits of Basic Electrical Engineering

1 Answer

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Right answer is (b) 51V

To explain I would say: Total voltage= VR+VL+VC.

VR=1000*3*10^-3=3V. Therefore, total voltage = 30+18+3=51V.

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