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Authored by Lenard Mamalayan
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KG

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63 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The period of wave
The same as frequency
Time required to complete one cycle
Expressed in amprres
None of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the RMS value of an AC current
The steady current will charge a battery at the same rate as the actual current
Its average value
Its peak value
The steady current that produce the same rate of heating a resistor as the actual current
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The voltage of domestic supply is 220 v. This figure represents?
Mean value
Rms value
Peak value
Average value
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the case of an unsymetrical alternating current the average value must always be taken over
Unsymetrical part of the wave form
The quarter cycle
The half cycle
The whole cycle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The RMS value and mean value is the same in the case of
Triangular wave
Sine wave
Square wave
Half wave rectified sine wave
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the same peak value which of the following wave will have the highest rms value
Square wave
Half wave rectifier sine wave
Triangular wave
Sine wave
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value?
0°
45°
90°
180°
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