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Transformer

A step up tra...

Question

A step up transformer has turn ration $10 : 1$ . A cell of e.m.f $2 v o l t s$ is fed to the primary, secondary voltage developed is :-

A

20 V

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B

10 V

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C

2 V

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D

Z e r o

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Solution

The correct option is B $Z e r o$
The transformer works only on A.C input here cell is providing D.C input.
so, the voltage produced in the secondary coil is zero.
The correct option is D.

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