The cell suspension and click the electron moves from the pole with low voltage to the electrodes with higher voltage. The measured potential difference is the voltage of the cell. The Volt
Galvanic cell, the electrons move from the terminal voltage to a lower voltage than the terminal. The voltage is the voltage of the cell. The unit is V.
The great Khali at the electron will move from the terminals with low electric potential electric potential to the electrode with higher. The measured voltage is the electric potential of cells, is measured in volts.