In an ac series RLC circuit, the voltage across R and L is 20 V, voltage across ___

In an ac series RLC circuit, the voltage across R and L is 20 V, voltage across L and C is 9 V and voltage across RLC is 15 V.

What is the voltage across C?

A. 7 V
B. 12 V
C. 16 V
D. 21 V

Show Answer

Answer: A

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