Ohmmeter Though mechanical ohmmeter (resistance meter) designs are rarely used today, having largely been superseded by digital instrum...

Kelvin (4-wire) resistance measurement Suppose we wished to measure the resistance of some component located a significant distance awa...

Three-phase/ Poly phase/ Three-wire DC system Split-phase power systems achieve their high conductor efficiency  and  low safety risk b...

Multimeters Seeing as how a common meter movement can be made to function as a voltmeter, ammeter, or ohmmeter simply by connecting it ...

Bridge circuits Bridge circuit   Bridge, Wheatstone No text on electrical metering could be called complete without a section on bridg...