Home Physics Alternating Current All Topic Question for Revision Test The core used in a transformer and other ele…
Physics Alternating Current All Topic Question for Revision Test MCQ (Single Correct)

The core used in a transformer and other electromagnetic devices is laminated so that

A
ratio of voltage in the primary and secondary may be increased
B
energy loss due to eddy currents may be minimized
C
the weight of the transformer may be reduced
D
residual magnetism in the core may be reduced

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Text Solution

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The correct answer is:
B

The core is laminated to reduce eddy current to a minimum as they interfere with the efficient transfer of energy from the primary coil to secondary one.

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