If a negatively charged particle is placed at rest in an electric ...

[EAugust]

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, the particle will
  1.accelerate in the positive x-direction.
  2.accelerate in the negative x-direction.
  3.remain at rest.

Question 2

If an electron is released from rest in a uniform electric field, the electric potential energy of the charge-field system
  1.increases.
  2.decreases.
  3.remains the same.

[smrerig]

Answer to Question 1

1

Answer to Question 2

2