A long straight wire carrying current ...

A long straight wire carrying current of `30 A` is placed in an external uniform magnetic field of induction `4xx10^(-4) T`. The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesla at a point `2.0 cm` away from the wire is

`10^(-4)`

`3xx10^(-4)`

`5xx10^(-4)`

`6xx10^(-4)`

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