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A wire loop consists of a stright segmen...

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 magnetic field `B_(2)` at `O` de to the circular are `ACB` is .

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