4 years ago

Moving 4.0 coulombs of charge through a circuit

1 answer:

5 0

We know that V=E/Q Where V is the PD, E is the energy, and Q is the charge.

Substituting in the values gives V=48/4=12

Therefore the PD across the circuit is 12V

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

faust18 [17]

Answer: Option (b) is the correct answer.

Explanation:

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.