Answer to Question #343677 in Field Theory for Nuel Fudalan

Question #343677

An electric charge q caused an electric potential of V = -218 V at point A 10.6 m from q. What is the electric charge q?

Expert's answer

"V=k\\frac{q}{r}"

"q=Vr\/k\\\\\n=-218*10.6\/9*10^9=-2.57*10^{-7}\\:\\rm C"

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