Electric potential difference#!#Important Derivation

Electric potential||Electric Potential difference between two points

The electrical potential difference across the resting plasma membrane is called as the

Is the electric potential difference across each appliance (in a domestic electric circuit) the same?

The electrical potential difference across the plasma memebrane at the site of depolarisation is called

In an uniform electric field,the potential difference between two points separated by 10cm is 2 volt.Magnitude of electric field .