Problem 20.33 A long wire carrying 4.50A of current makes two 90.0o bends, as sh

Question

Problem 20.33

A long wire carrying 4.50A of current makes two 90.0o bends, as shown in the figure (Figure 1) . The bent part of the wire passes through a uniform 0.244T magnetic field directed as shown in the figure and confined to a limited region of space.

Part A

Find the magnitude of the force that the magnetic field exerts on the wire.

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Part B

Find the direction of the force that the magnetic field exerts on the wire.

Give your answer as an clockwise angle from the rightward direction to the direction of the force.

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Figure 1 of 1

F =   N   Problem 20.33 A long wire carrying 4.50A of current makes two 90.0o bends, as shown in the figure (Figure 1) . The bent part of the wire passes through a uniform 0.244T magnetic field directed as shown in the figure and confined to a limited region of space. Part A Find the magnitude of the force that the magnetic field exerts on the wire. F = N SubmitMy AnswersGive Up Part B Find the direction of the force that the magnetic field exerts on the wire. Give your answer as an clockwise angle from the rightward direction to the direction of the force. ? = o SubmitMy AnswersGive Up Provide FeedbackContinue Figure 1 of 1

Explanation / Answer

Fx = I*l*B*sin90 = 4.5*0.3*0.244*1 = 0.3294 N

Fy = I*L*B*sin90 = 4.5*0.6*0.244*1 = 0.6588 N

part A

F = sqrt(Fx^2+Fy^2) = 0.7365 N <----answer

partB)

direction tan^-1(Fy/Fx) = 63.43 <-------answer

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