The ampere per meter (A/m) is the measure formagnetic field strength, as defined by the International System of Units (SI). It is derived from the SI base unitsampereand meter (or metre), both of which are constructed from the standard's defining constants. The ampere is the measure of...
See also:ampere per meter,ampere per meter squared,henry,henry per meter,coulomb,coulomb per centimeter squared,volt per meter,magnetomotive force,faraday,teslaandsiemens.
“The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 meter apart in vacuum, would produce between these conductors a force equal to 2×10−7 newton per meter of length.” General ...
"The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed one meter apart invacuum, would produce between these conductors a force equal to 2×10−7newtons per meter of length." Ampère's ...
There is a vertical current flow between the ground and the ionosphere of 1 - 3 x 10^-12 Amperes per square meter. The resistance of the atmosphere is 200 Ohms. The voltage potential is 200,000 Volts. There are about 1000 lightning storms at any given moment worldwide. Each produces 0.5...
Ampere The basic unit of electric current, equal to one coulomb per second and equivalent to the current, flowing in two straight parallel wires of negligible cross section separated by a distance of one meter, that produces a force between the wires of 2.0 × 10-7 newtons per meter of len...
While values for permittivity can often be fairly straightforward to calculate, there are other factors in nature that also influence them and can result in complex permittivity. The generation of this property only occurs when an electric field is applied, so the result can often have varying pha...
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[1]Stated another way, a potential of one volt appears across a resistance of oneohmwhen acurrentof oneampereflows through that resistance. Volts can be expressed in to SI base units thusly: 1 V = 1 kg times m2times s-3times A-1(kilogram meter squared per second cubed per ampere), ...
The SI unit of magnetic permeability (represented by μ or mu, pronounced "moo") is Henry per meter (or H/m). It can also be measured in units of Weber per ampere-meter (Wb/A.m) or Newton per ampere square (N/A2). Oliver Heaviside, an English mathematician, coined the term 'magn...