A square loop, carrying a steady current $I$ , is placed in a horizontal plane near a long straight conductor carrying a steady current $I_{1}$ at a distance $d$ from the conductor as shown in figure. The loop will experience
NEET 2011 (Mains)

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​ F 2 ​ = − F 4 ​ F 1 ​ = 2 π d μ 0 ​ I 1 ​ I l ​ F 2 ​ = 2 π ( d + l ) μ 0 ​ I 1 ​ I l ​ F 1 ​ > F 3 ​ F net ​ = F 1 ​ − F 3 ​ ​ So, wire atrract loop.

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