Most of the electrical appliances in people’s homes are of three pin plug. But have you ever wondered that when the flow of electricity occurs through plus and minus charges, then what is the need of the third pin? Have you ever tried opening this plug? Today we will tell you about this plug. Three plug pins You must have seen in three plugs that the size of the three pins is equal. And it is the same. But the third pin is slightly thicker than these two pins. This…
Read MoreElectric Plug: Why is there a third pin in an electric plug, know who invented it
