Two infinitely long wires each carrying ...

Two infinitely long wires each carrying current I along the same direction are made into the geometry as shown in the figure. The magnetic field at the point P is

`(mu_(0)I)/(pir)`

`(mu_(0)I)/(r)((1)/(pi)+(1)/(4))`

Zero

`(mu_(0)I)/(2pir)`

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