ALTERNATING CURRENT SECTION
THREE POWER IN AC CIRCUITS QUIZ
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
Which of the following is true regarding reactive power? - ANSWER Reactive power performs no work.
The power factor of a circuit with a resistance of 75 ohms and an impedance of 150 ohms is __________
- ANSWER 0.50
The apparent power is the result of the vector addition of the true power and the __________. -
ANSWER reactive power
True power is the product of the resistor current squared and the ___________. - ANSWER resistance
Apparent power is the product of the source voltage and the __________. - ANSWER current
The true power in a circuit with 4A through a 50Ω resistor is _____. - ANSWER 800
The power factor in a circuit with a resistance of 50Ω and an impedance of 100Ω is _____. - ANSWER 0.5
A power factor is not an angular measure, but a numerical ratio with a value between 0 and 1, equal to
the _____.
Group of answer choices - ANSWER cosine of the phase angle
Apparent power is the product of the source __________ and the __________. - ANSWER true,apparent
True power is measured in __________. - ANSWER watts