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The darcy is referenced to a mixture of unit systems. A medium with a permeability of 1 darcy permits a flow of 1 cm 3 /s of a fluid with viscosity 1 cP (1 mPa·s) under a pressure gradient of 1 atm/cm acting across an area of 1 cm 2.
Metric prefixes; Text Symbol Factor or; yotta Y 10 24: 1 000 000 000 000 000 000 000 000: zetta Z 10 21: 1 000 000 000 000 000 000 000: exa E 10 18: 1 000 000 000 000 000 000: peta P 10 15: 1 000 000 000 000 000: tera T
Sheet resistance is a special case of resistivity for a uniform sheet thickness. Commonly, resistivity (also known as bulk resistivity, specific electrical resistivity, or volume resistivity) is in units of Ω·m, which is more completely stated in units of Ω·m 2 /m (Ω·area/length).
um2 = µm 2 • CONVERT am2 = am 2 • CONVERT cm2 = cm 2 • CONVERT dam2 = dam 2 • CONVERT dm2 = dm 2 • CONVERT Em2 = Em 2 • CONVERT fm2 = fm 2 • CONVERT Gm2 = Gm 2 • CONVERT hm2 = hm 2 • CONVERT mm2 = mm 2 • CONVERT Mm2 = Mm 2 • CONVERT nm2 = nm 2 • CONVERT pm2 = pm 2 • CONVERT Pm2 = Pm 2 • CONVERT Tm2 = Tm 2 ...
Electrical contact resistance (ECR, or simply contact resistance) is resistance to the flow of electric current caused by incomplete contact of the surfaces through which the current is flowing, and by films or oxide layers on the contacting surfaces.
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In electromagnetism, current density is the amount of charge per unit time that flows through a unit area of a chosen cross section. [1] The current density vector is defined as a vector whose magnitude is the electric current per cross-sectional area at a given point in space, its direction being that of the motion of the positive charges at this point.
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