Bhimsen KumarTransformer and its workingTransformer is very useful electrical device mostly used in transmission lines to change voltage levels. It consists two electrically…Aug 17, 2021Aug 17, 2021
Bhimsen KumarMOSFET and its workingMOSFET was developed for overcome JFET’s disadvantages like high resistance, moderate input impedance and operational speed. It operates…Aug 12, 2021Aug 12, 2021
Bhimsen KumarJFET and its workingJFET is an active device which has three terminal. This is a voltage controlled device. This is why we call it junction field effect…Aug 11, 2021Aug 11, 2021
Bhimsen Kumarbipolar junction transistor (BJT)Transistor is a device that amplifies a signal consisting voltage or current. It is a three terminal semiconductor device which are…Aug 8, 2021Aug 8, 2021
Bhimsen Kumarp-n junction and diodeIn this post I will explain that how a diode works and we will see its construction. But before that it is necessary to know about p and n…Aug 7, 2021Aug 7, 2021
Bhimsen KumarsemiconductorThe conductivity of a intrinsic (pure) semiconductor depends on its temperature, but its conductivity at room temperature is very low. In…Aug 5, 2021Aug 5, 2021
Bhimsen KumarYou often need to dim the brightness of led, led strip or control the speed of DC motor.We can use PWM function of 555 IC for dimming the voltage of DC. But, first let’s see what a PWM is?Aug 4, 2021Aug 4, 2021
Bhimsen Kumarresistor and ohm’s lawLong before the discovery of physical devices responsible for the flow of electric current in 1828 current G. S. Om discovered a…Aug 3, 2021Aug 3, 2021
Bhimsen Kumarinductor and its applicationInductor are also energy storing (passive) component like capacitor. Unlike capacitors which store energy in the form of electric field…Aug 2, 2021Aug 2, 2021
Bhimsen Kumarcapacitor and its capacitanceCapacitor is energy storing element like batteries. They are like a tiny rechargeable cell with very low capacity. Battery takes a long…Aug 2, 2021Aug 2, 2021