Question

A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 17.0 cmcm , giving it a charge of -49.0 μCμC .

A)

Find the electric field just outside the paint layer.

Express your answer with the appropriate units. Enter positive value if the field is directed radially inward and negative value if the field is directed radially outward.

B)

Find the electric field 8.00 cmcm outside the surface of the paint layer.

Express your answer with the appropriate units. Enter positive value if the field is directed radially inward and negative value if the field is directed radially outward.

Answer 1