Answer:
Voltage
Step-by-step explanation:
Stored energy is in form of potential difference in a cell. This is the voltage of the cell. By this, we can have knowledge of the amount of energy such cells houses.
The electromotive force of a cell is the driving force with which current flows out of the cell. When a cell is supplying current, we talk about the electromotive force.
The potential difference is when a cell is not supplying current.
Both quantities are expressed in voltage.
Ohms is unit of resistance
Watts is a unit of power.