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  4. In a step up transformer the turn ratio is 3: 2. A battery of emf 4.5 V is connected across the primary. The voltage developed in the secondary is

Q. In a step up transformer the turn ratio is $3: 2$. A battery of emf $4.5\, V$ is connected across the primary. The voltage developed in the secondary is

KCETKCET 2022 Report Error

Solution:

There is no d.c. output in a transformer

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