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# For a point charge, how does the potential vary with distance from the point charge, r?

a. r

b. constant

c. 1/r

d. r2

e. 1/r2

### 1 Answer

Relevance

- billrussell42Lv 79 months agoFavorite Answer
Potential from a charge is

V = kQ/r in volts

k = 1/4πε₀ = 8.99e9 Nm²/C²

r is separation in meters

q is charge in coulombs

so the relationship is inverse, c

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