A current loop consists of two identical...

A current loop consists of two identical semicircular parts each of radius R, one lying in the x-y plane and the other in x-y plane. If the current in the loop is i, the resultant magnetic field due to two semicircular parts at their common centre is

`(mu_(0)qf)/(2R)`

`(mu_(0)qf)/(2piR)`

`(mu_(0)q)/(2pifR)`

`(mu_(0)q)/(2fR)`

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