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HERE I TRIED TO EXPLAIN VOLTAGE || POTENTIAL DIFFERENCE IN FIG ||Magical to understand Concept of Voltage

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Define : Diode is an electrical appliance that allow to flow current in one direction . #fig source google Types of diode: 1:NPN 2:PNP --->There are two possibilities of diode to connecting with circuit.

Hy guys i am Hafeez Ullah Khan i have 18 year old i hope everyone will be good .I am new here & very lucky to be here with you! now-a-days my hobbies mean doing Electrical Engineering at Abasyn University