Problem 29.04 Part A At the instant shown, what is the direction of the magnetic

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Problem 29.04

Part A

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 1, the middle of the top side of the loop?

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Part B

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 2, the middle of the right side of the loop?

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Part C

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 3, the middle of the bottom side of the loop?

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Part D

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 4, the middle of the left side of the loop?

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Part E

Does the motion of the loop cause any separation of the charge carriers in the loop?

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Part F

Does the motion induce a current in the loop?

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Problem 29.04

(Figure 1) shows a square conducting loop centered on the x axis, with its sides parallel to the y and z axes. The loop moves with constant velocity in the negative xdirection toward a small bar magnet that is centered on the origin and has its polar axis aligned along the x axis.

Part A

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 1, the middle of the top side of the loop?

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 1, the middle of the top side of the loop? positive x direction negative x direction positive y direction negative y direction positive z direction negative z direction

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Part B

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 2, the middle of the right side of the loop?

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 2, the middle of the right side of the loop? positive x direction negative x direction positive y direction negative y direction positive z direction negative z direction

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Part C

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 3, the middle of the bottom side of the loop?

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 3, the middle of the bottom side of the loop? positive x direction negative x direction positive y direction negative y direction positive z direction negative z direction

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Part D

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 4, the middle of the left side of the loop?

At the instant shown, what is the direction of the magnetic force exerted on an electron sitting at the point 4, the middle of the left side of the loop? positive x direction negative x direction positive y direction negative y direction positive z direction negative z direction

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Part E

Does the motion of the loop cause any separation of the charge carriers in the loop?

Does the motion of the loop cause any separation of the charge carriers in the loop? yes no

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Part F

Does the motion induce a current in the loop?

Does the motion induce a current in the loop? yes no

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Explanation / Answer

(a) As loop is moving towards the magnet so flux will increase and induce current will generate in such direction so that is can oppose the magnetic filed change

So current will flow in clockwise direction and electron will flow in opposite direction

So force on electron would be along +z direction

(b) as electron is moving in anticlockwise direction

So force at point 2 would be along +y direction

(c) Along - z direction

(d) Along - y direction

(e) No

(f) Yes

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