# Motion of charged particle in electric field

**Electricity and Magnetism**Level 2

**A**. Then it passes points

**A**and

**B**, finally arriving at point

**C**. It stops for a moment there at point

**C**, and then starts to move back to point

**A**. Which of the following statements is correct?

a) The charged particle is negatively charged.

b) The magnitude of the kinetic energy when the charged particle passes point **B** is half the kinetic energy when the charged particle passes point **A**.

c) The force acting on the charged particle at point **C** is not zero.