How much work is required to move a tiny charge

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Reference no: EM13316145

Four spheres are arranged as in the figure in the corners of a 2cm-side square. The second sphere has a charge of -10 nC, the rest a charge of +10 nC. Point C is the center of the square, A is at the middle point of the side.

(a) Find, in components, the electric field at point C.

(b) Find the electric potential at points A and C.

Reference no: EM13316145

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