At a given place the horizontal componnent 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 ?
Options:
(a) 6 E to W
(b) `6xx10^(-3)` E to W
(c) `6xx10^(-3)` E to W
(d) 6`6xx10^(-4)` E to W