1.

The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is : (a) 45o (a) 60o (a) 90o (d) 180o

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The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is :

(a) 45o (a) 60o (a) 90o (d) 180o



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