A nonuniform magnetic field exerts a net force on a current loop of radius R FIGURE P29 78 shows a magnetic field that is diverging from the end of a bar magnet The magnetic field at the position of the current loop makes an angle Icirc cedil with respect to the vertical a Find an expression for the net magnetic force on the current b Calculate the force if R 2 0 cm, I 0 50 A, B 200 mT, and Icirc cedil 20 deg net 2R B FIGURE P29 78 B

Question: A nonuniform magnetic field exerts a net force on a current loop of radius R. FIGURE P29.78 shows a magnetic field that is diverging from

A nonuniform magnetic field exerts a net force on a current loop of radius R. FIGURE P29.78 shows a magnetic field that is diverging from the end of a bar magnet. The magnetic field at the position of the current loop makes an angle Î¸ with respect to the vertical.

net 2R B. FIGURE P29.78 B

a. Find an expression for the net magnetic force on the current.
b. Calculate the force if R = 2.0 cm, I = 0.50 A, B = 200 mT, and Î¸ = 20°.

net 2R B. FIGURE P29.78 B

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