10 Differences Between ammeter and voltmeter

Difference Between Ammeter and Voltmeter

Are you confused about the differences between an ammeter and a voltmeter? Look no further! In this article, we will explore what ammeters and voltmeters are, their examples, and their uses. Additionally, we will provide a comprehensive table highlighting ten key differences between the two. By the end of this article, you will have a clear understanding of the disparities between an ammeter and a voltmeter.

What is an Ammeter?

An ammeter is an electrical measuring tool used to measure the current flowing in a circuit. It is commonly connected in series with the circuit, allowing the current to pass through it. Ammeters are often used in both residential and industrial settings to monitor and troubleshoot electrical systems.

Examples of Ammeters

Here are a few examples of ammeters:

  1. Digital Ammeter
  2. Analog Ammeter
  3. Clamp Ammeter

Uses of Ammeters

Ammeters have several uses, including:

  • Monitoring electrical system performance
  • Diagnosing faults and issues in circuits
  • Measuring current consumption of appliances

What is a Voltmeter?

A voltmeter, on the other hand, is an instrument used to measure the electrical potential difference, or voltage, between two points in an electrical circuit. Unlike an ammeter, it is connected in parallel to the circuit, allowing it to measure the voltage across a specific component or the entire circuit.

Examples of Voltmeters

Some examples of voltmeters include:

  1. Digital Voltmeter
  2. Analog Voltmeter
  3. Digital Multimeter (includes voltmeter functionality)

Uses of Voltmeters

Voltmeters have a wide range of applications. Here are a few common uses:

  • Measuring the voltage supplied by a power source
  • Checking the voltage drop across a component
  • Verifying the effectiveness of voltage regulators

Differences Between Ammeter and Voltmeter

Difference Area Ammeter Voltmeter
Connection Connected in series to the circuit Connected in parallel to the circuit
Measures Current Voltage
Placement Placed in series with the load Placed in parallel to the load


In conclusion, the primary difference between an ammeter and a voltmeter lies in their connections, measurements, and placements. An ammeter measures the current flowing in a circuit and is connected in series, while a voltmeter measures the voltage across a circuit or component and is connected in parallel. Understanding these disparities is crucial in effectively using these measuring instruments in different electrical applications.

People Also Ask

Here are some common questions that readers might have about ammeters and voltmeters:

  1. Can an ammeter measure voltage?
    An ammeter cannot directly measure voltage. It is designed specifically to measure current.
  2. Can a voltmeter measure current?
    No, a voltmeter cannot measure current directly. Its purpose is to measure voltage.
  3. Can I use a voltmeter as an ammeter?
    No, a voltmeter cannot be used as an ammeter as their connections and functionalities are different.
  4. What happens if I connect an ammeter in parallel?
    If an ammeter is connected in parallel, it can cause a short circuit and potentially damage the ammeter itself.
  5. Which instrument is more accurate: ammeter or voltmeter?
    Both ammeters and voltmeters can be highly accurate if used correctly. However, their accuracy may vary depending on the specific instrument and its quality.

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