In the figure, a rectangular current loop carrying I1 = 5.0A (in the direction s

Question

In the figure, a rectangular current loop carrying I1 = 5.0A (in the direction shown) is located near a long wire carrying a current Iw. The Long wire is parallel to the sides of the rectangle. The rectangle loop has length of 0.80m and its sides are 0.10m and 0.70m from the wire. If the net force on top of the loop is 8.3*10^-6 N and is to be directed away from the wire, what must be the magnitude and direction (from top to bottom or from bottom to top in the sketch) of the current, Iw, in the wire?

In the figure, a rectangular current loop carrying I1 = 5.0A (in the direction shown) is located near a long wire carrying a current Iw. The Long wire is parallel to the sides of the rectangle. The rectangle loop has length of 0.80m and its sides are 0.10m and 0.70m from the wire. If the net force on top of the loop is 8.3*10^ - 6 N and is to be directed away from the wire, what must be the magnitude and direction (from top to bottom or from bottom to top in the sketch) of the current, Iw, in the wire?

Explanation / Answer

F/l=muo*I1*Iw/(2*3.14*0.1)-muo*I1*Iw/(2*3.14*0.7) l=0.8 iw=1.21 A direction is from top to bottom

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