1.

A wire loop consists of a stright segment AB and a circular are ACB of radius r The segment AB subtends an angle of 60^(@) at the centre O of the circular are The wire loop carries a current I in the clockwise direction The net magnetic filed B at O due to the whole wire loop is .

Answer»

`B=B_(1)+B_(2)`
`B =B_(2)-B_(1)`
`B =SQRT(B_(1)^(2)+B_(2)^(2))`
`B =sqrt(B_(2)^(2)+B_(1)^(2))`

SOLUTION :N//A


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