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Objective Questions
ITI
Electrician
Electrician Set-1
Alternating Current
18

Alternating Current MCQ - Electrician (Set-1) with Answers

18) Which supply source changes the polarity constantly ?

DC supply

AC supply

Dynamo

Battery

Answer is:

AC supply

Alternating Current MCQ - Electrician (Set-1) with Answers

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Related Alternating Current MCQ - Electrician (Set-1) with Answers

19) The average value of alternating current for a pure sine wave is equal to :

0.536 x maximum value of current

0.636 x maximum value of current

0.707 x maximum value of current

0.737 x maximum value of current

Answer is:

0.636 x maximum value of current

20) The reactance of a 2 henry choke coil at 100 Hz is :

100 ohm

216 ohm

718 ohm

1256 ohm

Answer is:

1256 ohm

21) The single phase domestic AC supply voltage in India is :

110 V

230 V

440 V

550 V

Answer is:

230 V

Alternating Current MCQ - Electrician (Set-1) with Answers

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