Short Answer
Multiple point-charges: Three +3.0-μC point charges are at the three corners of a square of side 0.50 m. The last corner is occupied by a -3.0-μC charge. Find the magnitude of the electric field at the center of the square. (k = 1/4πε0 = 8.99 × 109 N ∙ m2/C2)
Correct Answer:

Verified
Correct Answer:
Verified
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