A 12 k resistor is in series with a 90 mH coil across an 8 kHz ac sour – McqOptions

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1.	A 12 k resistor is in series with a 90 mH coil across an 8 kHz ac source. Current flow in the circuit, expressed in polar form, is I = 0.3 0Â° mA. The source voltage, expressed in polar form, is
A.	3.84 20.6Â° V
B.	12.8 20.6Â° V
C.	0.3 20.6Â° V
D.	13.84 69.4Â° V
Answer» B. 12.8 20.6Â° V

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