-
Current and Voltage Principle Animation
The animation above shows miniature trucks carrying bags of energy from the battery to a light globe. The light globe ... -
Batteries in Series and Parallel Animation
What happens when we connect the batteries in series and parallel? When we connect the Batteries in Series, we will ... -
How transformer works?
A transformer is based on the fact that when an AC current flows through a wire, it generates a magnetic ... -
Optocouplers Working Principle
What is optocoupler? An optocoupler is an optical link and it connects two circuits via this link. The optical link ... -
Phototransistor Circuit Example
Phototransistors are used in a variety of applications. A light-operated relay circuit is shown in below Figure (a). The phototransistor Q1 ... -
Phototransistor Working Principle
A phototransistor is similar to a regular BJT except that the base current is produced and controlled by light instead of ... -
Transistor as a Switch Working Principle
The below Figure illustrates the basic operation of a BJT as a switching device. In part (a), the transistor is in ... -
Basic Transistor Amplifier Circuit Principle
A transistor amplifies current because the collector current is equal to the base current multiplied by the current gain, b. The base ... -
Transistor Collector Characteristic Curves
Using a circuit like that shown in Figure (a), a set of collector characteristic curves can be generated that show how ... -
Why Silicon is preferred over Germanium ?
As we all know, both Silicon and Germanium are semiconductor devices. But the present trend is to use Silicon instead ...
Author: Bharadwaj
