A current `-` carrying circular loop of radius `R` is placed in the `XY-` plane with centre at the origin. Half of the loop with `xgt0` is now bent so

A current `-` carrying circular loop of radius `R` is placed in the `XY-` plane with centre at the origin. Half of the loop with `xgt0` is now bent so
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A current `-` carrying circular loop of radius `R` is placed in the `XY-` plane with centre at the origin. ... B at (0,0,z), z gt gt R is unchanged
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