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A transformer having efficiency of 90% i...

A transformer having efficiency of `90%` is working on `200 V` and `3 kW` power supply. If the current in the secondary coil is `6A`, the voltage across the secondary coil and current in the primary coil respectively are

A

`300V`, `15A`

B

`450V`, `15A`

C

`450V`, `13.5A`

D

`600V`, `15A`

Text Solution

Verified by Experts

The correct Answer is:
B
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