When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around ...

Volt-amperes provide insight into the amount of current drawn by a product or circuit, assuming you know the voltage. For example, the standard residential voltage in the United States is 120 V RMS.

An average car battery has a capacity of around 48 amp hours; when fully charged, it delivers 1 amp for 48 hours, two amps for 24 hours, and so on. Staying updated on the car’s battery amps is very ...

You can also read this article online as part of the Article Series: What’s the Difference Between Watts, RMS and More.Both watts (W) and volt-amperes (VA) are units of measurement ...