Lamination of the transformer core is made up of

A)
Iron
B)
Steel
C)
Silicon steel
D)
Aluminum

Correct Answer : Option (C) :   Silicon steel

Explanation : A high permeable material made up of thin silicon steel laminations are used for lamination of transformer core and other electrical devices for the given reasons:

High resistance

High permeability

Minimum hysteresis loss.

Recently Updated in Transformers Questions
Which of the following parts of a transformer is visible from outside?
A)
Core
B)
Bushings
C)
Primary winding
D)
Secondary winding

Correct Answer :   Bushings

A no-load test is performed on a transformer to determine
A)
efficiency
B)
copper loss
C)
magnetising current
D)
magnetising current and loss

Correct Answer :   magnetising current and loss

Natural oil cooling is used for transformers up to a rating of
A)
250 kVA
B)
500 kVA
C)
1000 kVA
D)
3000 kVA

Correct Answer :   3000 kVA

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