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AC Circuits Exam Questions with Certified Answers

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AC Circuits Exam Questions with Certified Answers The effect of inductive reactance is to make the current lag the voltage by 90 degrees - Answer-True a phasor is a line whose direction represents the phase angle and length represents the magnitude of an electrical quantity true or false - A...

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  • September 9, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ac circuits
  • AC Circuits
  • AC Circuits
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AC Circuits Exam Questions with
Certified Answers

The effect of inductive reactance is to make the current lag the voltage by 90 degrees -
Answer-True

a phasor is a line whose direction represents the phase angle and length represents the
magnitude of an electrical quantity true or false - Answer-True

by convention phasors are assumed to rotate in a clockwise direction true or false -
Answer-False

the side across the right triangle from angle theta is always called the opposite side true
or false - Answer-True

in a resistive capacitive AC circuit power is equal to current times voltage true or false -
Answer-False

the ratio of the true power to apparent power in a circuit is known as the power factor
true or false - Answer-True

the ability to store energy in the form of electrical charge is called reactance true or false
- Answer-False

in capacitors the conductors are called plates and the insulator is called a dielectric true
or false - Answer-True

the base unit of capacitance is the joule true or false - Answer-False
direct current periodically changes the direction in which is flowing true or false -
Answer-False

fluctuating direct current is not a type of AC waveform true or false - Answer-True

the most common type of AC waveform is a sine wave true or false - Answer-True

electronic music is created by producing a mixing together a wide variety of waveforms
true or false - Answer-True

a cycle is that part of an AC waveform that repeats or duplicates itself true or false -
Answer-False

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