A positive angle of 30° is equivalent to a negative angle of
A. -30°
B. -330°
C. -60°
D. -180°
Answer: Option B
A. -30°
B. -330°
C. -60°
D. -180°
Answer: Option B
When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
A. Increases
B. Decreases
C. Does not change
D. Decreases to zero
U