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A circular coil of radius 25cm, carries ...

A circular coil of radius `25cm`, carries a current of 50 ampere. If it has 35 turns, the flux density at the centre of the coil is `( i n Wb//m^(2))`

A

`pixx10^(-3)`

B

`1.4pixx10^(-3)`

C

`14pixx10^(-3)`

D

`2pixx10^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
2

`B=(mu_(0)ni)/(2r)`
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