Potential Due to Point-Charges: Four Equal +6

question 16

Essay

Potential due to point-charges: Four equal +6.00-μC point charges are placed at the corners of a square 2.00 m on each side. (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)
(a) What is the electric potential (relative to infinity) due to these charges at the center of this square?
(b) What is the magnitude of the electric field due to these charges at the center of the square?

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