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In a transformer , number of turns in th...

In a transformer , number of turns in the primary are 140 and that in the secondary are 280 . If current in primary is 4 A, then that in the secondary is

A

`4A`

B

`2A`

C

`6A`

D

`10A`

Text Solution

Verified by Experts

The correct Answer is:
B
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