A transformer core is laminated to

The transformer core is laminated in order to

A

Simplify its construction

B

Minimize eddy current loss

C

Reduce cost

D

Reduce Hysteresis loss

E

none of the above

The core of a transformer is laminated to:

A

Reduce the flux leakage

B

Reduce the power loss due to eddy current

C

Reduce hysteresis loss

D

Reduce copper loss

The core of a transformer is assembled with laminated sheets to reduce

A

hysteresis loss

B

eddy-current loss

C

magnetic noise

D

magnetizing current

Why are the steel core of a transformer laminated?

A

To reduce the flux density in the core

B

To reduce the eddy current losses

C

To reduce the voltage fluctuations in the core

D

To increase the output voltage

The core of a transformer is laminated to reduce which of the following?

A

eddy current losses

B

hysteresis losses

C

copper losses

D

iron losses

E

none of these

Why the transformer core is laminated?

A

To increase the eddy current losses

B

To reduce the eddy current losses

C

To reduce the high frequency

D

To increase the low frequency

Why does the core of a transformer is laminated?

A

To increase the electrical conductivity of the core

B

To increase the magnetization of the core

C

To reduce the eddy current loss

D

To increase current and improve efficiency

Which of the following statements is/are correct? A. Fraternity is a core value of the Indian Constitution. B. It is a core value because it is explicitly mentioned in Part III of the Indian Constitution. C. It is not a core value of the Indian Constitution because it is not mentioned in the Constitution of India. D. It is a core value because it is a part of the Preamble and has been held to be part of the basic structure of the Constitution.

A

A and B only

B

A and D only

C

C only

D

A, B and D only

Consider the following with respect to the term 'Core Inflation': A) Core Inflation is the inflation rate of a particular basket of commodities. B) Core Inflation is the sudden increase in prices of certain items of food grains.C) Core inflation is caused by supply shock in certain essential commodities.

A

Only A

B

Only B

C

Only C

D

Only A and B

A 100 VA, 120/12 V transformer is to be connected so as to form a step-up transformer. A Primary voltage of 120 V is applied to the transformer. What is the secondary voltage of the transformer?

A

1.2 V

B

12 V

C

120 V

D

132 V

A transformer core is laminated to

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