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A Magic Triangle image mnemonic - when the terms of Ohm's law are arranged in this configuration, covering the unknown gives the formula in terms of the remaining parameters. It can be adapted to similar equations e.g. F = ma, v = fλ, E = mcΔT, V = π r 2 h and τ = rF sinθ.
Ohm's law states that the electric current through a conductor between two points is directly proportional to the voltage across the two points. Introducing the constant of proportionality, the resistance, [1] one arrives at the three mathematical equations used to describe this relationship: [2]
The following other wikis use this file: Usage on am.wikipedia.org ኤሌክትሪክ ዑደት; Usage on bs.wikipedia.org Električna mreža; Usage on cs.wikibooks.org
Date/Time Thumbnail Dimensions User Comment; current: 21:23, 27 May 2016: 1,000 × 1,000 (13 KB): Wizard346: It is correctly represented with an E, since the scientific reference to voltage is Electromotive force.
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The free electron model is closer to the measured value of = V 2 /K 2 while the Drude prediction is off by about half the value, which is not a large difference. The close prediction to the Lorenz number in the Drude model was a result of the classical kinetic energy of electron being about 100 smaller than the quantum version, compensating the ...
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