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Electrician
Electrician Set-2
AC circuits
8

AC circuits MCQ with Answers

8) What is the maximum value of voltage for 240 volt RMS?

240V

415V

339.5V

376.8V

Answer is:

339.5V

AC circuits MCQ with Answers

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Related AC circuits MCQ with Answers

9) What is the phase displacement in a single phase AC circuit?

90 Degree

120 Degree

180 Degree

270 Degree

Answer is:

90 Degree

10) Calculate the line current of the 3 phase 415V 50 HZ supply for the balanced load of 3000 watt at 0.8 power factor is connected in star.

8.5 A

5.2 A

4.5 A

3.4 A

Answer is:

5.2 A

11) What is the power factor in a 3 phase power measurement of two wattmeters showing equal readings?

0

1

0.5

0.8

Answer is:

1

12) Calculate the power factor of coil having resistance of 24 Ohm, draws the current of 5A, at 240V/ 50HZ AC supply.

0.8

0.6

0.5

0.3

Answer is:

0.5

AC circuits MCQ with Answers

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