Two parallel wires carry currents of `20 A` and `40 A` in same direction. Another wire carrying a
Channel: Doubtnut
Date: 2020-08-16

Two parallel wires carry currents of `20 A` and `40 A` in same direction. Another wire carrying a current anti- parallel to `20 A` is placed midway between the two wires. The magnetic force on it will be