A conducting ball is neutralized and then electrically isolated. A +3.0 C charge

Question

A conducting ball is neutralized and then electrically isolated. A +3.0 C charge is then placed near the conducting ball without touching it. After the charge is brought in, the net charge on the conducting ball will be [Select] . The surface charge density will be [ Select] at points on the conducting ball nearest to the +3.0C charge, and will be I Select ] at points on the conducting ball farthest from the +3.0 uC charge. The net electrical force acting on the +3.0 C charge will beSelect ] Select] of the correct answers above will remain true if the conducting ball were replaced by a non-conducting ball of the same radius and distance to the +3.0uC charge. The surface charge density of the non-conducting ball will be Choose one: Select (A) zero everywhere. (B) not zero, but smaller in magnitude than the surface charge density of the conducting ball. C) equal to the surface charge density of the conducting ball. D) larger in magnitude than the surface charge density of the conducting ball. part 1 through 3 are either zero, positive or negative. part 4 is either zero, directed towards the ball, or away from the ball. part five is either, none, 1,2, 3, 4, or all.

Explanation / Answer

1] zero, because charge will be conserved

2]negative, by induction

3]positive, by induction

4]towards the ball, because it will attract as negative part is nearer to the positive charge

5] 1 because only charge will be zero everywhere

6] A) zero everywhere as it is neutral

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