week4 (dragged) 14

week4 (dragged) 14 - First calculate V, then E E = V d Take...

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V = k Q R 2 + z 2 E z = z V = k Qz ( R 2 + z 2 ) 3 / 2 First calculate V, then E E = −∇ V d φ d φ dq = d φ 2 π Q Take section
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