Friday, 22 April 2016

There is a long wire carrying 20 amp. There is a rectangular (30 x 8 cm) loop of wire at a distance of 1 cm with the long side parallel to the long wire and carryting a current of 10 amp. The resultant force on the loop is

(a) 1.06 x 10 -3 N towards long side
(b) 1.06 x 10 -3 N towards short side
(c)     1.06.66 N on the long side
(d)     106.66 on the short side

Ans: A

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