Week5 (dragged) 26

Week5 (dragged) 26 - 4 R = 1 2 qV Yes! Thursday, September...

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What is the total energy in E-field? 24 U tot = ° R udV = 4 π ° R 1 2 ° 0 E 2 r 2 dr = 2 π° 0 ° R ± 1 4 π° 0 ² 2 q 2 r 4 r 2 dr = 1 2 q 2
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Unformatted text preview: 4 R = 1 2 qV Yes! Thursday, September 23, 2010...
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