ch25_p83 - 83. (a) C' = 0A/(d b) = 0.708 pF, the same as...

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83. (a) C' = ε 0 A /( d – b ) = 0.708 pF, the same as part (a) in problem 82. (b) Now, 2 1 0 2 2 1 0 2 / 5.00 2.00 0.600. /( ) 5.00 CV Ad UC d b V C A d bd −− == = = = = ′′ (c) The work done is 2 22 9 00 11 1 ' ( ) 1.02 10 J. 2 ( ) AA b V WU U U C C V V dbd ddb εε §· =∆ = = = = = × ¨¸ ©¹ (d) In Problem 82 where the capacitor is disconnected from the battery and the slab is sucked in, F is certainly given by dU / dx . However, that relation does not hold when the
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This note was uploaded on 01/25/2011 for the course PHYSICS 17029 taught by Professor Rebello,nobels during the Spring '10 term at Kansas State University.

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