What is an Electric Current?

What is an Electric Current?

What is an Electric Current? Electric charges continuously move in a process known as current electricity.  Most electronics and everything from your refrigerator to your smartphone requires current electricity to

what is a voltmeter

What is a Voltmeter?

What is a Voltmeter? | How to use a voltmeter? A voltmeter is a metering device used to measure electrical potential differences between two points in an electric circuit; The

How to test Battery Capacity?

How to test Battery Capacity?

How to test Battery Capacity, Battery Amps-hours, mAh, Watt-hours? The article describes capacity-hours, amp-hours, mAh, watt-hours, internal or series resistance, temperature effects, battery cutoff voltages, and characteristic curves of  D/C