week4 (dragged) 52

week4 (dragged) 52 - separated by distance d. q-q d ? What...

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V = k ° q d/ 2 q d/ 2 ± =0 E = k ° q ( d/ 2) 2 + q ( d/ 2) 2 ± = k 8 q d 2 A : E =0 ,V =0 B : E = k 8 q d 2 ,V =0 C : E = k 8 q d 2 ,V = k q d D : E = k 8 q d 2 ,V = k q 2 d E : E =0 ,V = k q d August 12, 2010 22 Electric Potential from Two Oppositely Charged Point Charges What’s the potential and electric feld in the middle between two point charges q and -q
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Unformatted text preview: separated by distance d. q-q d ? What does V=0 mean? No energy is needed to bring a charge From rest to rest at infnity. Thursday, September 16, 2010...
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