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The core of a transformer is laminated...

The core of a transformer is laminated so that :

A

energy loss due to eddy currents may be reduced

B

rusting of the core may be prevented

C

change in flux may be increased

D

ratio of voltage in the primary to that in the secondary may be increased

Text Solution

Verified by Experts

The correct Answer is:
A
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The core of any transformer is laminated so as to

The core of any transformer is laminated so as to (1.) energy losses due to eddy currents may be minimized (2.) the weight of the transformer may be reduced (3.) rusting of the core may be prevented (4.) ratio of voltage in primary and secondary may be increased

Knowledge Check

  • The core of a transformer is laminated to reduce

    A
    flux leakage
    B
    hysteresis
    C
    copper loss
    D
    eddy current

  • Transformer is used to

    A
    convert ac to dc voltage
    B
    convert dc to ac voltage
    C
    obtain desired dc power
    D
    obtain desired ac voltage and current

  • Assertion : When a current flows in the coil of a transformer then its core becomes hot. Reason : The core of transformer is made of softiron.

    A
    If both assertion ans reason are true ans reaason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion istrue but reason is false.
    D
    If both assertion and reason are false.

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