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What is Forward & Reverse Biasing of PN Junction?

February 17, 2022

January 1, 2024

When the external voltage applied to the PN junction is in such a direction that it cancels the potential barrier, thus permitting current flow, is called as forward biasing.

Construction of PN junction diode

Dattaraj Vidyasagar

February 17, 2022

January 1, 2024

A PN junction diode is the first semiconductor device in semiconductor family. It is also known as unidirectional current device, because it allows current only in one direction through it.

What is Extrinsic Semiconductor?

Dattaraj Vidyasagar

February 17, 2022

January 1, 2024

The devices like diodes, transistors, ICs used in electronic circuits are manufactured with the help of extrinsic semiconductor. When a trivalent or pentavalent element is mixed with pure Silicon crystal (i.e. intrinsic semiconductor), the new material is formed known as extrinsic semiconductor.