Polarity test: Connect your multimeter to both primary and secondary windings simultaneously and set it to voltage measurement (AC or DC mode). Apply a known voltage to the primary winding, and if the ...

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain ...