What is Diode?

What is Diode Featured

This post is about What is Diode? and Why we need Diode in Circuit. The diode controls direction of current flow in circuit. It is used for AC to DC conversion (rectification), in switching application.

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What is variable resistor?

Variable Resistor Featured

A resistor whose resistance value can be adjusted as per requirement is called as Variable Resistor. The two most common used variable resistors are Rheostat and Potentiometer.

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What is resistor?

Resistor Tutorial

This post is about What is Resistor? and Why we need Resistor in Circuit. Resistor has a property of resistance. This property limits (controls) the flow of current to a safe value, so that other part in circuit can work properly.

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