A Levels Physics

Four statements about potential difference or electromotive force are listed.
1 It involves changing electrical energy into other forms.
It involves changing other energy forms into electrical energy.
It is the energy per unit charge to move charge right round a circuit.
It is the work done per unit charge by the charge moving from one point to another.
2
4
Which statements apply to potential difference and which apply to electromotive force?
potential difference
electromotive force
A
1 and 3
2 and 4
B
1 and 4
2 and 3
2 and 3
1 and 4
D
2 and 4
1 and 3


Potential Difference | 2012 - O/N - 9702/13 | Q34