defence exam Navy SSR (Medical) Mock Test Series 2025 Physics Moving Charges and Magnetism Magnetic Force on a Current-Carrying Wire
At a given place the horizontal component of earth’s field is 0.2 G. If a vertical wire carries a current of 30 Amp upward, what is the magnitude and direction of the force on 1 meter of wire?
1
6 E to W
2
6 × 10-3 E to W
3
6 × 10-3 W to E
4
6 × 10-4 E to W