Fundamentals and Essentials of Electronic Circuits by Iveringstel Publications

Author:Iveringstel Publications
Language: eng
Format: azw3, pdf
Published: 2020-11-14T16:00:00+00:00

Electrical Switches over Mechanical Switches

Electrical switches are a preferred choice over mechanical switches due to the following reasons −

Mechanical switches are prone to oxidation of metals whereas electrical switches don’t.

Mechanical switches have movable contacts.

They are more prone to stress and strain than electrical switches.

The worn and torn of mechanical switches often affect their working.

Hence an electrical switch is more useful than a Mechanical switch.

Working of Diode as a Switch

Whenever a specified voltage is exceeded, the diode resistance gets increased, making the diode reverse biased and it acts as an open switch which gives you amazing information. Adding further to explain this whenever the voltage applied is below the reference voltage, the diode resistance gets decreased, making the diode forward biased, and it acts as a closed switch.

The following circuit explains the diode acting as a switch.

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