Basic Electrical Engineering Questions and Answers
Q1.
For a coil having a magnetic circuit of constant reluctance, if the flux increases, what happens to the current?
Answer:
Increases
Q2.
In an inductive circuit, when the XL value increases, the circuit power factor?
Answer:
Decreases
Q3.
Ammeters and voltmeters are calibrated to read?
Answer:
RMS value
Q4.
The resultant of two alternating sinusoidal voltages or currents can be found using ____
Answer:
Parallelogram law
Q5.
The length of the phasor represents?
Answer:
Magnitude of the quantity
Q6.
What is the type of current obtained by finding the square of the currents and then finding their average and then fining the square root?
Answer:
RMS current
Q7.
Peak value divided by the rms value gives us?
Answer:
Both peak and crest factor
Q8.
The variation of a quantity such as voltage or current shown on a graph is known as ______
Answer:
Waveform
Q9.
The maximum variation between the maximum positive and the maximum negative value is known as?
Answer:
Peak to peak value
Q10.
In an RLC circuit, the power factor is always ____
Answer:
Depends on the circuit
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