Author Question: An inductor (L) and a capacitor (C) are in series across a sine wave ac source. Voltage across the ... (Read 51 times)

fasfsadfdsfa · **on:** Jul 28, 2018

An inductor (L) and a capacitor (C) are in series across a sine wave ac source. Voltage across the inductor is 15 V and voltage across the capacitor is 20 V. The source voltage (VS) is

A) 5 V 180 B) 15 V 90 C) 5 V -90 D) 5 V 90

Question 2

A capacitor with a reactance (XC) of 1.2 k is in series with a 1 k resistor. The combination is across a sine wave ac source producing 20 mA. The phase angle () of the source voltage, using current as a reference, is

A) -50.2 B) 50.2 C) -39.8 D) 39.8