Electrical or electronic quantities and units are crucial values to know in evaluating and describing the behavior, characteristics and physical properties of a circuit. This quiz can help you recall ...

Here’s a handy chart of the units of measure we use all the time for electronic quantities. Note that the unit itself is lower case, the person it is named for is, of course, cap/lower case, and the ...

The precise measurement of electrical resistance is essential in industrial production or electronics – for example, in the manufacture of high-tech sensors, microchips and flight controls. “Very ...

If scientists had sacred objects, this would be one of them: a single, closely guarded 137-year-old cylinder of metal, housed in a vault outside of Paris. It is a prototype that precisely defines a ...

THE absolute system of electromagnetic units was developed by the British Association Committee on “Practical Standards for Electrical Measurements”. Of this Committee Sir Wm. Thomson (Lord Kelvin) ...

Measurement triangle: this quantum metrology triangle shows the relations between the three electrical units volt, ohm and ampere and the involved fundamental constants. Researchers at PTB are ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...