A uniform spherical volume distribution of charge has radius R ...

[crazycityslicker]

A uniform spherical volume distribution of charge has radius R and total charge Q. A point charge q is released from rest at point b, which is a distance 3R from the center of the distribution. When the point charge reaches a, which of the following is true regarding the total energy E?
 
  1.Ea = Eb
  2.Ea = 2Eb/3
  3.Ea = 3Eb/2
  4.Ea = 9Eb/4
  5.Ea = Eb
  6.Ea = 2Eb/3
  7.Ea = 3Eb/2
  8.Ea = 9Eb/4
  9.None of the above
  10.Cannot be determined

Question 2

For the following situations consider moving a positive charge from very far away to the origin along the y-axis. For which situation would you do the most work?
 
  1.A
  2.B
  3.C
  4.D
  5.A & C
  6.None of the above.
  7.Cannot be determined

[welcom1000]

Answer to Question 1

6

Answer to Question 2

1

[crazycityslicker]

TYSM

[pratush dev]

Thanks for the timely response, appreciate it