When electric cells are used, a________ takes place inside the cell which produces charge in it.
Hence, when electric cells are used, a chemical reaction takes place inside the cell which produces charge in it.
Solar panels are used for harnessing solar energy. This solar energy is then used to charge an electric cell and this electric cell is used to move a toy. What are the energy changes that take place?
How a cell or a battery produces potential difference when connected to a circuit?
Or
What happens inside a cell due to which current flow?