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problem24_28

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

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24.28: a) . 0 CV Q = b) They must have equal potential difference, and their combined charge must add up to the original charge. Therefore: 0 2 1 2 2 1 1 also and CV Q Q Q C Q C Q V = = + = = 0 1 1 1 1 2 2 1 2 1 3 2 3 2 so 3 2 2 3 2 ) 2 ( so 2 and V C Q C Q V Q Q Q Q Q Q C Q C Q C C C C = = = = = = = = = c) 2 0 2 2 3 1 2 3 2 2 2 2 1 2 1 3 1 3 1 ) ( 2 ) ( 2 1 2 1 CV C Q C Q C Q C Q C Q U = = + =
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Unformatted text preview: + = d) The original U was . 2 6 1 2 2 1 CV U CV U-= ∆ ⇒ = e) Thermal energy of capacitor, wires, etc., and electromagnetic radiation....
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