The one in which the direction of flow of electricity changes with time is called AC(Alternative Current). Outlets located in any home are interchanges, and the current direction is switched 50 times per second. (This number varies depending on the country and region.)
Morse code has been used for wireless communication since ancient times, and is currently used mainly in amateur radio. Alphabets and...
For example, although the batteries around us are DC(Direct Current), the outlets connected to the refrigerator etc. are the exchanges....
Electric energy actually consumed in electric products etc. is called electric power. The unit of electric power is W (Watt), and its...
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