Transistor working principle https://www.youtube.com/watch?v=7ukDKVHnac4&t=3s Transistor working principle Transistor working principle: A transistor is one kind of semiconductor device that is used to amplify or switch electronic signals...

DC motor how it works video https://www.youtube.com/watch?v=LAtPHANEfQo DC motor how it works We know that a motor is a device which transforms electrical energy into mechanical energy....

Video: Electrical transformer working principle https://www.youtube.com/watch?v=vh_aCAHThTQ Electrical transformer working principle: We know that a Electrical transformer is a static device that transfer electrical energy between two...