Charge on Conducting balls#
![../../../../../_images/balls.png](../../../../../_images/balls.png)
Five identical neutral conducting balls hanging from strings are numbered 1 to 5. As shown in the Figure above. Balls 1 and 2 touch as they are brought near a highly charged metal sphere and then are separated, with ball 1 closer to the sphere. Ball 3 contacts both the metal sphere and ball 4. Ball 4 is pulled away from ball 3, and then ball 3 is pulled away from the metal sphere.
Part 1#
Following these charging steps, what is the sign of the charge on ball 1?
Answer Section#
negative
positive
Zero
pl-submission-panel#
pl-answer-panel#
Part 2#
Following these charging steps, what is the sign of the charge on ball 3?
Answer Section#
Negative
Positive
Zero
pl-submission-panel#
pl-answer-panel#
Part 3#
Following these charging steps, ball 1 is attracted to (choose the best answer):
Answer Section#
Ball 2 only
Ball 5 only
None of the balls
All of the other balls (2, 3, 4 and 5)
Balls 2, 3 and 4 only
pl-submission-panel#
pl-answer-panel#
Attribution#
Problem is licensed under the CC-BY-NC-SA 4.0 license.