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As Shown in the Figure, a Rectangular Current Loop Is

Question 29

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As shown in the figure, a rectangular current loop is carrying current I1 = 3.0 A, in the direction shown, and 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 0.80 m and its sides are 0.10 m and 0.70 m from the wire, as shown. We measure that the net force on the rectangular loop is 4.9 × 10-6 N and is directed towards the wire. As shown in the figure, a rectangular current loop is carrying current I<sub>1</sub> = 3.0 A, in the direction shown, and is located near a long wire carrying a current I<sub>w</sub>. The long wire is parallel to the sides of the rectangle. The rectangle loop has length 0.80 m and its sides are 0.10 m and 0.70 m from the wire, as shown. We measure that the net force on the rectangular loop is 4.9 × 10<sup>-6</sup><sub> </sub>N and is directed towards the wire. (a) What is the magnitude of the current I<sub>w</sub>? (b) In which direction does I<sub>w</sub> flow: from top to bottom or from bottom to top in the sketch?
As shown in the figure, a rectangular current loop is carrying current I<sub>1</sub> = 3.0 A, in the direction shown, and is located near a long wire carrying a current I<sub>w</sub>. The long wire is parallel to the sides of the rectangle. The rectangle loop has length 0.80 m and its sides are 0.10 m and 0.70 m from the wire, as shown. We measure that the net force on the rectangular loop is 4.9 × 10<sup>-6</sup><sub> </sub>N and is directed towards the wire. (a) What is the magnitude of the current I<sub>w</sub>? (b) In which direction does I<sub>w</sub> flow: from top to bottom or from bottom to top in the sketch?
(a) What is the magnitude of the current Iw?
(b) In which direction does Iw flow: from top to bottom or from bottom to top in the sketch?

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(a) 1.2 A ...

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