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Electrician
Electrician Set-1
Transformers
52

Transformers MCQ - Electrician (Set-1) with Answers

52) As compared to the secondary of a step up transformer, the primary will have :

lower voltage and higher current

higher voltage and higher current

higher voltage and lower current

lower voltage and higher current

Answer is:

lower voltage and higher current

Transformers MCQ - Electrician (Set-1) with Answers

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Related Transformers MCQ - Electrician (Set-1) with Answers

53) In a transformer, if the number of turns in the secondary winding is twice that in the primary winding, the secondary voltage will be :

half that of primary voltage

same as the primary voltage

twice the primary voltage

four times the primary voltage

Answer is:

twice the primary voltage

54) Which one of the following can be increased by using a step-up transformer ?

Power

Voltage

Current

Frequency

Answer is:

Voltage

55) In 1 kVA transformer the number of turns per volt is 8. What is the number of turns in high voltage side, If the voltage is 110 V ?

1920

880

192

125

Answer is:

880

56) What is the full load current of 1 KVA, 240V/120V single phase transformer at 0.8 p.f.?

8.33 amps

6.66 amps

4.16 amps

3.33 amps

Answer is:

8.33 amps

Transformers MCQ - Electrician (Set-1) with Answers

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