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sing a multimeter

A meter is a measuring instrument...

An ammeter measures current

A voltmeter measures the potential difference (voltage) between two points, and

An ohmmeter measures resistance.

A multimeter combines all of these functions into a single instrument.

It is important for you to have a clear idea of how meters are connected into circuits. You also need to understand howto select the correct setting and how to use the meter to make a reading.

Revision of the use of the ammeter, voltmeter and ohmmeter

The digital multimeter

The analogue multimeter

Some practice at using a multimeter - breadboard practicals

Much of the information and some of the images in this topic were taken from doctronics.co.uk - a brilliant, now defunct site that I used to direct my students towards. I have been unable to find out what happened to this site - but gladly I had saved some of the information for use in my lessons... and I now share them with you!