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Magnetic field due to 0.1 A current flowing through a circular coil of radius 0.1m and 1000 turns at the centre of the coil is

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Answer Text

`2xx10^(-1)T``4.31xx10^(-2)T``6.28xx10^(-4)T``9.81xx10^(-4)T`

Answer :
C
Solution :
`B=(mu_(0)Ni)/(2r) =(4pixx10^(-7)xx1000xx0.1)/(2xx0.1) =6.28xx10^(-4)T`

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