Consider four 8 middot microc charges placed at the corners, Ask an Expert

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Consider four 8 · µC charges placed at the corners of a square, which is 2.1 ·m on a side. The charges on the top are both positive, and the charges on the bottom are both negative.

(a) Find the electric field at the center of the square.

Evec = N/C xhat + N/C yhat

(b)Find the electric field at the midpoint of the left side.

Evec = N/C xhat + N/C yhat

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