Skill Set 20.2

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Problems

1. 18.2 A of current flow east along a wire in a magnetic field of 0.0150 T that is 17.0 degrees east of North. What force acts on the wire if it is 113 m long? (Magnitude and direction)

Solution goes here

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2. A 4.2 Amp current flows North in a wire that is 12.1 cm long. What is the magnetic field (Assume it is perpendicular) if the wire experiences a vertically upward force of 12.15 N? (Magnitude and direction)

Solution goes here

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3. An electron travels at 3.5 x 104 m/s to the North, and experiences a force of 2.1 x 10-14 N vertically downward. What is the magnitude and direction of the magnetic field exerting this force?

Solution goes here

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4. A proton is going 1.71 x 105 m/s in the plane of the page in a 2.30 T magnetic field out of this page. What is the radius of its path? Which direction does it circle, ACW or CW?

Solution goes here

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5. What electric field in what direction would make the particle go straight up the page in the previous problem?

Solution goes here

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