A straight wire of mass 200 gm and length 1.5 meter carries a current of 2 Amp. It is suspended in mid-air by a uniform horizontal magnetic field B. [take g = 10 m/`s^2` ]. The B is .......................
Options:
(a) `2/3`tesla
(b) `3/2`tesla
(c) `20/3`tesla
(d) `3/20`tesla