A system consisting of a positively-charged particle and an electric field
◦
loses potential difference and kinetic energy when the charged particle moves in the direction of the field.
◦
loses electric potential energy when the charged particle moves in the direction of the field.
◦
loses kinetic energy when the charged particle moves in the direction of the field.
◦
gains electric potential energy when the charged particle moves in the direction of the field.
◦
gains potential difference and electric potential energy when the charged particle moves in the direction of the field.