What is the electrical resistivity value for "nichrome"?
408620
an extremely low value of 1.1 × 10-6 Ω·m but the interesting thing is it almost never varies with changes in physical conditions(actully only but higly small amounts) and so it is used to make standard resistance boxes.
386158
11 - A\n12 - None of them the symbol for current is I\nE = Energy\nR = Resistance\nC = Capacitance\n* = nothing
32446
check the below site:\nhttp://www.newadvent.org/cathen/13743c.htm
980282
Make sure you have a good, solid connection between your sample and your ohmmeter probes.  Use a scale on your meter that's appropriate for the resistance you are measuring.  If your resistance is 1/2 ohm, then it will read zero on a 0-20Kohm scale, which isn't useful.  It will read half-way on a 0-1ohm scale, where you can get a good reading.\n\nThe resistance of a sample depends not just on the material and temperature, but also the geometry.  The resistance of a uniform wire will be proportional to its length and inversely proportional to its cross-section area.
561926
XeF  + e-  ============> Xe  + F-      E°/V = 3.4 with reference to the standard hydrogen electrode
613727
try:\nhttp://lb.chemie.uni-hamburg.de/static/data/50_zzk46n8n.html
708021
The symbol for electrical load is Z called impedence.\n\nThis consists of the inducticve reactance, capacitative reactance and ohmic resistance.
388634
Inductive reactance can be calculated using this formula: XL = 2πfL\n\nGood Luck
632669
http://lakeaccess.org/russ/conductivity.htm
703621
Hi,\nHere you can find a table:\n\nhttp://www.physchem.co.za/Data/Electrode%20Potentials.htm
223236
National Institute of Standards and Technology (NIST) Handbook 105-1\nhttp://ts.nist.gov/ts/htdocs/230/235/105-1.pdf\n\nSpecifications and Tolerances for Field Standard Weights (NIST Class F)
913031
Standard electrode potential for Ag(NH3)2 = 0.37V
303161
The permeability of space is given the symbol of the greek letter mu.\nThe permeability of free space (vaccuum) has a value of \n4 * pi * 10 ^(-7)     H*m^(-1)\n\nThe permeability of free space is, AND I EMPHASISE THAT THIS IS ONLY A CONCEPTUAL DESCRIPTION, how hard it is to set up a magnetic field in whatever medium we are considering.\n\nAll of magnetics depend on the permeability of free space - it is used in almost every calculation of magnetic field strength.\n\nTry searching wikipedia for "Ampere's Law"\nOr Maxwell's Correction to Ampere's Law (Displacement current)\nThe latter is the most fundamental equation for how currents and varying E fields set up magnetic fields, and, as you will see, the equation has mu in it!!\n\n:)
777272
according to wikipedia, for a nickel:\n\nMass: 5.000 g\nDiameter: 21.21 mm = 2.121 cm\nThickness: 1.95 mm = .195 cm\n\nso there for the volume is 1.0605^2 x pi x .195 = .689 cm cubed\n\nD= mass/volume = 5 / .689 = 7.3 g/mL\n\nor if you want to think about it this way,\na nickel is 75% copper and 25% nickel.\nthe density of copper is 8.96\nand the desnity of nickel is 8.908\n\n8.96 x .75 = 6.72\n8.908 x .25 = 2.227\n6.72 + 2.227 = 8.9 g/mL\n\nso there you have it. i'm not sure which is correct, but ill leave that decision up to you
365798
http://physics.nist.gov/GenInt/Time/time.html
241348
try:\n\n  \nFaraday constant  over Electron charge = Avogadro's number\n\n96,487 / 1.6022*10-19 = 6.022*10^23
377028
pristine-70-100\ngem-50\nmint-30\nnrmt-25