e.m.f and p.d

Question 1

Potential difference

Answer 1

The change in potential energy per unit charge between two points, due to the charge doing work on circuit components

(Work done by charge carriers)

Question 2

Electromotive force

Answer 2

The change in electric potential energy per unit charge between two points, due to work being done on the charge

(Work done on charge carriers)

Question 3

Kinetic energy of electrons

Answer 3

When a potential difference accelerates a charged particle, the energy transferred is equal to the kinetic energy gained by the particle

Question 4

Volt

Answer 4

1 volt is the potential difference between two points when a 1 C charge passing between the points experiences a change in electric potential energy of 1 J