Basic Electrical Engineering Questions and Answers
Q1.
The unit for inductance is ___________
Answer:
Henry
Q2.
If the current and voltage are 90 degrees out of phase, the power factor will be?
Answer:
0
Q3.
The rms value is _________ times he maximum value
Answer:
0.707
Q4.
For addition and subtraction of phasors, we use the _________ form.
Answer:
Rectangular
Q5.
For a direct current, the rms current is ________ the mean current.
Answer:
Equal to
Q6.
______ current is found by dividing the area enclosed by the half cycle by the length of the base of the half cycle.
Answer:
Average current
Q7.
The waveform of the emf generated undergoes one complete cycle when?
Answer:
Conductors move past north and south poles
Q8.
What is the duration of one cycle known as ____
Answer:
Period
Q9.
When a coil is rotated in a magnetic field, the emf induced in it?
Answer:
Continuously varies
Q10.
In an RLC series phasor, we start drawing the phasor from which quantity?
Answer:
Current
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