Electric Field of a Conducting Sphere
A conducting sphere of radius R has a net charge of -Q. The electric field just outside the sphere’s surface has a magnitude E₀. What is the magnitude of the electric field at a distance of 2R from the center of the sphere?
A
E₀/4
B
E₀/2
C
E₀/8
D
E₀(R/2R)²
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