0 votes
in 12th Physics by (6.7k points)
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

Please log in or register to answer this question.