What is voltage?

  There are two types of charges namely positive charge and negative charge. As we all know these charges are opposite and they attract
. A work is done to separate these two charges through a specific distance. When these two charges are separated from each other certain amount of energy is stored in them in the form of potential energy due to its separation. The difference between their potential energies is known as potential difference. The unit of potential difference is voltage. It is denoted by V.

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