A Solid Non-Conducting Sphere of Radius R Carries a Charge

question 27

Multiple Choice

A solid non-conducting sphere of radius R carries a charge Q distributed uniformly throughout its volume. At a radius r (r < R) from the center of the sphere the electric field has a value E. If the same charge Q were distributed uniformly throughout a sphere of radius 2R the magnitude of the electric field at a radius r would be equal to

• A)E/8.
• B)E/2.
• C)2E.
• D)8E.
• E)E.

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