Week5 (dragged) 23

Week5 (dragged) 23 - C =4 !" R (see previous...

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August 18, 2010 University Physics, Chapter 24 40 ! An isolated conducting sphere whose radius R is 6.85 cm has a charge of q =1.25 nC. Question 1: How much potential energy is stored in the electric field of the charged conductor? Answer: Key Idea: An isolated sphere has a capacitance of
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Unformatted text preview: C =4 !" R (see previous lecture). The energy U stored in a capacitor depends on the charge and the capacitance according to Example: Isolated Conducting Sphere (1) and substituting C =4 !" R gives Thursday, September 23, 2010...
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