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

question 56

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 2R from the sphere's center and then is moved to 3R,by what factor will the electric field reading change?

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

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An individual known for their cognitive abilities, including problem-solving and understanding complex ideas.