6. -4 points M13 16.7 X.053 alto3 A solid metal ball of radius 1.1 cm is located

Question

6. -4 points M13 16.7 X.053 alto3 A solid metal ball of radius 1.1 cm is located near a hollow plastic ball of radius 2.1 cm bearing a uniformly distributed charge of -8 nc on its outer surface. The distance between the centers of the balls is 11 cm. (a) Click the edge of the metal ball that has an excess of positive charges Metal Plastic (b) What is the electric field at the center of the metal ball due just to the charges on its surface? Assume the +x axis is right, the +y axis is up and the +z axis is out. >N/C Submit Answer Save Progress Practice Another Version

Explanation / Answer

Actually, due to negative charged plastic ball, the metal ball will gain some negative charges to become neutal means positive and negative charges become equal in number. When we draw electric field, then eventaully, the electric field will cancel out at the center of metal ball. It means no matter what, the electric field inside the metal ball will always be zero..

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