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1. Three charges are located at corners of a square of side length a. a. Find the electric potential at the fourth corner in

5. Find the electric field at the empty corner in number 1.

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+ 39 0- Vza a fz sinust (+30 2 00 (P+j)t +30 4 TI to 92 477G02. k@ (îtĵ)+ ev2 92 92 kce %3D ( 3.353 î 92 + I1646ŷ) P= k@ (3.153Î- 1.6409), 1.646j . 92

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