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what is diode?

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  What is diode?   HELLO FRIENDS.   DIODE It is a semiconductor device with two terminals, typically allowing the flow of current in one direction only. That’s why It is also called unidirectional component. It has two terminals named ANODE & CATHODE. AS SHOWN IN FIG THE SILVER BAND ON A SIDE INDICATES CATHODE. & THE SYMBOL IS ALSO SHOWN IN THIS IMAGE.   A diode works only in forward biased. When we connect a diode in the circuit in correct position as shown in fig below, the diode will allows current to flow. & a diode oppose the current when connected in reverse biased as shown in fig. APPLICATION AC to DC rectifier.   EX:- battery chargers, etc.   Reverse protection as shown below   To oppose the current flowing back to charger.   Hey it’s   TECH BECK. PLEASE SUBSCRIBE US ON YOUTUBE :- https://www.youtube.com/channel/UCbpM--NrLZAcb6WpUAw74OA/featured?view_as=subscriber   ...