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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.
It is correctly represented with an E, since the scientific reference to voltage is Electromotive force. Reverted to version as of 03:08, 14 August 2012 (UTC) 03:18, 25 March 2016: 1,000 × 1,000 (13 KB) Cam1000100: changed "E" for Volts to "V" for Volts: 03:08, 14 August 2012: 1,000 × 1,000 (13 KB) Theundecided
Ohm's law has been observed on a wide range of length scales. In the early 20th century, it was thought that Ohm's law would fail at the atomic scale, but experiments have not borne out this expectation. As of 2012, researchers have demonstrated that Ohm's law works for silicon wires as small as four atoms wide and one atom high. [17]
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English: Simplified Ohm's law wheel using unit symbols. This is specially useful for teaching Ohm's law to young students. This is specially useful for teaching Ohm's law to young students. Note: VA ( volt amps ) has been substituted for W ( watts ), which is approximately the same in most cases, but can be vastly different in large systems ...
10:37, 14 July 2015: 400 × 305 (4 KB) Silver V. Changed colors to black and white, added fallback fonts, changed tspan text-anchor to middle in order to display correctly. 10:26, 14 July 2015: 400 × 305 (2 KB) Silver V. Reverted to version as of 23:10, 21 May 2010: 10:25, 14 July 2015: 400 × 305 (4 KB) Silver V. Changed colors to black and ...