The resistor voltage in an RL circuit is always out of phase with the current.
A. True
B. False
Answer: Option B
A. True
B. False
Answer: Option B
If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit
A. Doubles
B. Halves
C. Remains constant
D. Cannot be determined without values
When the frequency is decreased, the impedance of a parallel RL circuit
A. Increases
B. Decreases
C. Remains constant
D. Is not a factor
A transformer has "N1" primary turns, which is increased to four times. Secondary turns are not changed. What will be the current ratio of the transformer?
In the phasor diagram of balanced star connected load, what is the angle between Vy and -Vy