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Author: Admin | 2025-04-28
In this post, we will discuss the difference between Active and Passive components. We can differentiate active & passive components on the basis of the nature of source & power gain. We can categorize active and passive components, considering various functionality of the components. The various parameters are as follows.Component functionFlow of electronNature of operationNature of source Power gain Nature of energyThe major difference between active and passive elements is that an active component has the capability of supplying energy, while an active component can not supply the energy.We widely use active components and passive components in an electric circuit. The components like a capacitor, inductor, resistor, diode, transistor, MOSFET, SCR are the basic building block of an electrical network or electronic circuit. Let us first understand what is active and passive components.Active Component The active components are those components that require an external power source for their operation. Without external power to active devices, the active devices can not function. The majority of the active devices are semiconductor devices. The active devices are able to control the flow of electrons through it if the active devices get proper biasing by an external power source. Thus, it is possible to use active devices for signal amplification.Examples of Active ComponentsThe examples of the active devices are almost all the semiconductor devices. The devices are; Bipolar Junction Transistor (BJT)Field Effect Transistor (FET)Metal Oxide Field Effect Transistor ( MOSFET)Silicon Control Rectifier (SCR)TRIACUnijunction Transistor (UJT)Diodes, Zener Diodes, Tunnel diode, Photo Diode, Schottkey Diode and
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