LED is an abbreviation for Lamp Emitting Diode, and that is, "diode emitting light". Diode is the most fundamental semiconductor and has the characteristic that current flows only in one direction. One type of diode has a characteristic of emitting light when a current flows.
Morse code has been used for wireless communication since ancient times, and is currently used mainly in amateur radio. Alphabets and...
The one in which the direction of flow of electricity changes with time is called AC(Alternative Current). Outlets located in any home...
For example, although the batteries around us are DC(Direct Current), the outlets connected to the refrigerator etc. are the exchanges....
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