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Question

Which of the following are best suited to make the core of a transformer?

A
soft iron
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B
steel
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C
alnico
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D
none of these
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Solution

The correct option is C soft iron
The core needs to be magnetized and demagnetized frequently during the working of a transformers.
Soft iron is used as core.
Since it easy to magnetize and demagnetize with less energy loss.

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