1.

Why do some mobile phones use three-pin plugs?

Answer»

In mobile phones, instead of earth pin, a plastic pin is used. For safety purpose, the phone neutral socket will have caps. Only if the pin enters the earth socket the other two sockets will open. It will be difficult to connect two-pin in such sockets. To solve this problem in mobile charges three-pin plug can be used.



Discussion

No Comment Found

Related InterviewSolutions