A long straight wire carrying a current of 30 A is placed in

Last updated: 6/1/2023

A long straight wire carrying a current of 30 A is placed in an external uniform magnetic field of induction 4 x 104 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 uo 4 x 10 7 H m hollis B 3 10 4 C 5 x 10 4 D 6 x 10 4 A 10 4 81