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problem24_24

University Physics with Modern Physics with Mastering Physics (11th Edition)

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24.24: a) V. 2772 ) F 10 920 ( ) C 55 . 2 ( / 12 = × = = - μ C Q V b) Since the charge is kept constant while the separation doubles, that means that the capacitance halves and the voltage doubles to 5544 V. c) . J 10 53 . 3 ) V 2772 )( F 10 920 ( 3 2 12 2 1 2 2 1 - - × = × = = CV U Now if the separation is doubled, the capacitance halves, and the energy stored doubles. So the amount of work
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