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Grade upto college level IIT JEE Entrance Exam

A straight wire of length 0.5 metre and carrying a current of 1.2 ampere is placed in uniform magnetic field of induction 2 tesla. The magnetic field is perpendicular to the length of the wire. The force on the wire is

(a) 2.4 N

(b) 1.2 N

(c) 3.0 N

(d) 2.0 N

Profile image of Amit Saxena
12 Years agoGrade upto college level
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1 Answer

Profile image of Navjyot Kalra
12 Years ago

(b)

F = Bil = 2 × 1.2 × 0.5 = 1.2N

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