Transformers MCQ Questions & Answers | Electrical Engineering

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36.
The core used in high frequency transformer is usually

A. copper core

B. cost iron core

C. air core

D. mild steel core

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37.
A transformer transforms

A. voltage

B. current

C. power

D. frequency

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38.
In a transformer the resistance between its primary and secondary is

A. zero

B. 1 ohm

C. 1000 ohms

D. infinite

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39.
A transformer can have regulation closer to zero

A. on full-load

B. on overload

C. on leading power factor

D. on zero power factor

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40.
Power transformers are designed to have maximum efficiency at

A. nearly full load

B. 70% full load

C. 50% full load

D. no load

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Transformers MCQ Questions & Answers | Electrical Engineering

36. The core used in high frequency transformer is usually

Answer & Solution

37. A transformer transforms

Answer & Solution

38. In a transformer the resistance between its primary and secondary is

Answer & Solution

39. A transformer can have regulation closer to zero

Answer & Solution

40. Power transformers are designed to have maximum efficiency at

Answer & Solution

Read More Section(Transformers)

36.
The core used in high frequency transformer is usually

37.
A transformer transforms

38.
In a transformer the resistance between its primary and secondary is

39.
A transformer can have regulation closer to zero

40.
Power transformers are designed to have maximum efficiency at