Let K Denote 1/4 $\pi$ $\varepsilon$ ₀

question 47

Multiple Choice

Let k denote 1/4 $\pi$$\varepsilon$ ₀. The magnitude of the electric field at a distance r from an isolated point charge q is:

• A) kq/r
• B) kr/q
• C) kq/r³
• D) kq/r²
• E) kq²/r²

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