b A loop of wire carrying current I is bent into a long thin rectangle (bx...

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b A loop of wire carrying current I is bent into a long thin rectangle (bx c) as shown. P a) Estimate the force per length at point P (the midpoint of a long side of the rectangle). What direction is this force? b) Use the Biot-Savart Law to argue whether the force per length at point Q is greater, less, or equal to the force per length at point P. b A loop of wire carrying current I is bent into a long thin rectangle (bx c) as shown. P a) Estimate the force per length at point P (the midpoint of a long side of the rectangle). What direction is this force? b) Use the Biot-Savart Law to argue whether the force per length at point Q is greater, less, or equal to the force per length at point P.

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