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Recitation Quiz 15 Solutions

Recitation Quiz 15 Solutions - Name Section Tuesday...

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Name: ______________________________________________________ Section: ____ Tuesday, November 6 Quiz 15A A positive point charge is brought near the tip of an uncharged metal bar. a. Explain what happens to the charges in the metal bar as the point charge is brought in. Sketch the final distribution of charges in the bar. Electrons (negative charges) are free to move in a conductor (metal), so they move toward the point charge and accumulate at the left end of the rod. Because the rod is neutral, the opposite end must become positively charged. b. Does the point charge exert a net force on the bar? Explain. Yes, an attractive force. The attraction between the point charge and the negative, left end is larger than the repulsion between the point charge and the positive, right end, because of the different distances. The net result is thus attractive. + + + + +

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Name: ______________________________________________________ Section: ____ Tuesday, November 6 Quiz 15B A negative point charge is brought near the tip of an uncharged metal bar.
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Recitation Quiz 15 Solutions - Name Section Tuesday...

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