Difference between Potentiometer and Voltmeter

What are the major differences between Potentiometer and Voltmeter?

Potentiometers and voltmeters are two different types of electrical devices.

The Main difference is a potentiometer is a type of resistor that is used to control the flow of electricity in a circuit, while a voltmeter is used to measure the voltage, or electrical potential difference, between two points in a circuit.

Before we move to the differences, let’s understand what are Potentiometer and Voltmeter:

  • Potentiometer: A potentiometer is a type of resistor that has a dial or sliding mechanism that allows you to adjust the resistance in a circuit. It is often used to control the volume on a radio or the brightness of a light.
  • Voltmeter: A voltmeter is a type of electrical device that is used to measure the voltage, or electrical potential difference, between two points in a circuit. It is a very useful tool for electricians and engineers who need to test and troubleshoot electrical systems.

Potentiometer vs Voltmeter

Now, let’s move to Potentiometer vs Voltmeter:

Major differences between Potentiometer and Voltmeter

Potentiometer Voltmeter
Potentiometers are used to control the flow of electricity in a circuit. Voltmeters are used to measure the voltage in a circuit.
Potentiometers have a dial or sliding mechanism that allows you to adjust the resistance in a circuit. Voltmeters do not have this capability.
Potentiometers are often used in devices like radios and light dimmers. Voltmeters are used in electrical testing and troubleshooting.
Potentiometers are used to control the output of a circuit. Voltmeters are used to measure the characteristics of a circuit.
Potentiometers are passive devices, meaning they do not use any power to operate. Voltmeters are active devices that require a power source to operate.

That’s it.

Note that sometimes, the question might also be asked as “distinguish between Potentiometer and Voltmeter”.

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Final words

Potentiometers and voltmeters are two different types of electrical devices that serve different purposes.

Potentiometers are used to control the flow of electricity in a circuit, while voltmeters are used to measure the voltage in a circuit. It is important to understand the differences between these two devices in order to use them correctly and safely in electrical circuits.

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