E E

E E

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63 Qs

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Lenard Mamalayan

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63 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec โ€ข 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 โ€ข 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 โ€ข 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 โ€ข 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 โ€ข 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 โ€ข 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 โ€ข 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?

0ยฐ

45ยฐ

90ยฐ

180ยฐ

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