How to use a Potentiometer as a voltage divider is one of the steps.
Potentiometers, also known as POT, are variable resistors.They can give a variable resistance by changing the knob on top of its head.There are two main parameters that can be used to classify it.One is Resistance and the other is Power.
The amount of opposition provided to the flow of current is determined by the value or resistance.The bigger the resistor value, the smaller the current will flow.500 is a standard value for a potentiometer.
The power rating of the Resistors is called Power (wattage) rating.The bigger the resistor, the more current it can be.The power rating for potentiometers is not very high and can only be used for low current circuits.
We don't know why a potentiometer has three terminals and how to use them.The diagram below shows how easy it is to understand the purpose of these terminals.
The diagram shows the parts.The rated resistance value of the POT is equal to the complete resistance on the track.
The symbol suggests that a potentiometer is just a resistors with one variable end.If we measure the resistance between terminal 1 and terminal 3, we will get a value of 10k because both the terminals are fixed ends of the potentiometer.If we measure the resistance between 1 and 2, we'll get 25% of 10k, which is 2.5K, and we will get a resistance of 7.5K.
The terminals 1 and 2 and the knob can be used to vary the resistance and set the required value.
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