Ampere

Ampere, AM pihr, is the unit used to measure the rate of flow of an electric current. It is one... More >>

Coulomb

Coulomb, KOO luhm or KOO lom, is a unit of electric charge in the metric system. Its symbol is C.... More >>

Electric measurement

Electric measurement. Electricity itself cannot be observed. But one form of electricity called... More >>

Farad

Farad, FAR uhd, is a unit used to measure electrical capacitance. It is named for the English... More >>

Galvanometer

Galvanometer, gal vuh NOM uh tuhr, is a delicate instrument used primarily to detect and measure... More >>

Henry

Henry is the unit used to measure inductance, the reaction of an electric current to changes in... More >>

Hertz

Hertz, hurts, is the unit used to measure the frequency (rate of occurrence) of periodic waves... More >>

Kilohertz

Kilohertz, KIHL uh hurts, is a unit used to measure the frequency of many kinds of vibrations and... More >>

Kilowatt

Kilowatt, KIHL uh waht, is a unit of power in the metric system of measurement. All countries use... More >>

Ohm

Ohm is the unit used to measure resistance to the passage of an electric current. All materials... More >>

Ohm's law

Ohm's law is a mathematical formula that expresses the relationship between the electromotive... More >>

Potentiometer

Potentiometer, puh tehn shee OM uh tuhr, is a device that measures electric current, voltage, and... More >>

Volt

Volt is a unit of electrical measurement. The volt measures the ability of an electric field to... More >>

Voltmeter

Voltmeter is an instrument that measures the voltage (difference in potential) between two points... More >>

Wattmeter

Wattmeter is an instrument used to measure electric power. The most commonly used type of... More >>