Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

How Dose a Transistor Work?Transistor DefinitionA transistor is defined as a semiconductor device used to amplify or switch electronic signals.There are different types of transistors available, but we’ll focus on the NPN transistor in common emitter mode. This type has a heavily doped and wide emitter region, which contains many free electrons (majority carriers). The collector region is wide and moderately doped, so it has fewer free electrons than the emitter. The base region is very thin and

What is the Working Principle of Alternator?Alternator definitionAn alternator is a machine that uses electromagnetic induction to convert mechanical energy into alternating current electricity.Working principleThe alternator works on the basis of Faraday's Law, in which motion between a conductor and a magnetic field induces an electric current.Induction processSuppose that this one-turn cycle ABCD can be rotated against axes a-b. Let's say the cycle starts spinning clockwise. Post-90 o rotatio

How dose a Electric Motor Work?Electric Motor DefinitionAn electric motor is a device that converts electrical energy into mechanical energy.Motor Working PrincipleWorking principle of DC Motor mainly depends upon Fleming Left Hand rule. In a basic DC motor, an armature is placed in between magnetic poles. If the armature winding is supplied by an external DC source, current starts flowing through the armature conductors. As the conductors are carrying current inside a magnetic field, they will