(a) Rank the cases based on the magnitude of the net electric field at the cente

Question

(a) Rank the cases based on the magnitude of the net electric field at the center of the square, from largest to smallest. (Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.)

For the rest of the problem, use q = 7.00 10-6 C, and L = 60.0 cm, as well as k = 8.99 109 N m2/C2.

(b) In Case C, calculate the magnitude of the net electric field at the center of the square.

(c) In Case A, calculate the magnitude of the net electric field at the bottom left corner of the square.

Explanation / Answer

a)

C>A>D>B.

All balls are the same distance from the center of the square, so we only need consider net charge. The most positive net charge (C) will have the most positive potential, wheras the most negative net charge (B) will have the most negative potential.

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