# Science: Physics

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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.

• Science: Physics -

a)
1000000 v/m

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