(a) Three charges are situated at the corners of a square (side a), as shown in Fig....
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(a) Three charges are situated at the corners of a square (side a), as shown in Fig. 2.41. How much work does it take to bring in another charge, + q, from far away and place it in the fourth corner?
(b) How much work does it take to assemble the whole configuration of four charges?
Transcribed Image Text:
-q b+ a a -9
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