An inductor (L) and a capacitor (C) are in series across a sine ...

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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

[briseldagonzales]

Answer to Question 1

C

Answer to Question 2

A

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TYSM

[Mochi]

Excellent