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NEET UG PHYSICS MCQ: ELECTRIC FIELDS AND CHARGES
1
Easy
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Analyzing
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A tennis ball which has been covered with charges is suspended by a thread so that it hangs between two metal plates. One plate is earthed, while other is attracted to a high voltage generator. The ball
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Correct option: A
swings backward & forward hitting each plate in turn
The ball swings back and forth because it gets charged by induction when it touches a plate, then is repelled and attracted to the other plate, repeating the process.
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