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...
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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