Homework Help: Science: Physics

Posted by Ink on Sunday, October 16, 2011 at 5:55pm.

A spherical metal dome of radius 15 cm is electrically charged. It has a positive charge of +2.5 μC distributed uniformly on its surface.

a. Calculate the electric field strength on the surface of the dome.
b. Explain how your answer to a would change at a distance of 30 cm from the surface of the dome.

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