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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



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


Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
7 years ago

(b)

F = Bil = 2 × 1.2 × 0.5 = 1.2N

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