A Charge Q Accumulates on the Hollow Metallic Dome,of Radius

question 61

Multiple Choice

A charge Q accumulates on the hollow metallic dome,of radius R,of a Van de Graaff generator.A probe measures the electric field strength at various points outside the sphere surface.If the probe is initially at a distance 3R from the sphere's center and then is moved to 4R,by what factor will the electric field reading change?

• A) (4/3)²
• B) 4/3
• C) 3/4
• D) (3/4)²
• E) ​1

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The process or period of receiving medical treatment in a hospital.

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