After a great many contacts with the charged ball, how is the charge on the rod arranged (when the charged ball is far away)?

a. There is positive charge on end B and negative charge on end A.
b. There is negative charge spread evenly on both ends.
c. There is negative charge on end A with end B remaining neutral.
d. There is positive charge on end A with end B remaining neutral.

Since, there is a negative charge present on the ball and a positive charge present on the rod. So, when the negatively charged metal ball will come in contact with the rod then positive charges from rod get conducted towards the metal ball.

Hence, the rod gets neutralized. But towards the metal ball there is a continuous supply of negative charges. Therefore, after the neutralization of positive charge from the rod there will be flow of negative charges from the metal ball towards the rod.

Thus, we can conclude that negative charge spread evenly on both ends.

andromache andromache · Answer 2 · 2022-01-13T13:05:25+01:00

Option (b) is the correct answer.

b. There is negative charge spread evenly on both ends.

The following information should be considered:

Since, there should be the negative charge present on the ball and a positive charge present on the rod.
Due to this, at the time when the negatively charged metal ball will come in contact with the rod so positive charges from rod get conducted towards the metal ball.
Therefore, the rod gets neutralized.
However towards the metal ball there is a continuous supply of negative charges.

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