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A rigid square loop of side ‘a’ and carrying current I2 is lying on a horizontal surface near a long current I1 carrying wire in the same plane as shown in figure. The net force on the loop due to the wire will be – 

(1)  zero

(2)  Repulsive and equal to μ0I1I2/4π

(3) Repulsive and equal to  μ0I1I2/2π

(4) Attractive and equal to μ0I1I2/3π

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Best answer

Correct option (2)  Repulsive and equal to μ0I1I2/4π


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