The Fahrenheit degree is out of use. ISO unit is Degree Celsius
All formulas for solution of right and oblique-angle triangle.
Decimal Inch Equivalents of Millimeters Note: Inch as unit is out of use.
English to Metric Conversion Table Note: English units are not in accordance with IEC. Out of use.
Wire Gauges (Not in accordance with IEC)
Conversion Table – Inch Fractions and Decimals to Millimeter Equivalents
Resistances and weights of copper wires Diameter Cross section Resistance per km with 15°(288 k) Length of a wire of 1 Ω Weight per km Length of a wire of 1 kg mm mm2 Ω m kg m 0,1 0,0079 2215 0,4514 0,070 14306 0,2 0,0314 553,9 1,856 0,280 3577 0,3 0,0707 246,2 4,062 0,629 […]
Specific resistance and conductivity of essential materials at 20° C (193 K) Material Spec. Resistance Conductivity Ohm.mm2/m m/Ohm.mm2 Aluminium, soft 0,028 36 Lead 0,2 5 Gold 0,022 45 Copper E-Cu, soft 0,01754 57 Brass Ms 58 0,059 17 Brass Ms 63 0,071 14 Nickel silver NiMs 0,5…0,15 2,0…6,7 Platinum 0,098 10,2 Mercury 0,960 1,042 […]
Temperature coefficient Material Temperature coefficient of an electrical resistance between 0° and 100° C (173 and 273 K) Aluminium +0,0037 Aluminium bronze +0,001 Lead +0,00417 Iron +0,0045 Electron Constantan 0,00005 Copper +0,0043 Manganin +0,00001 Brass +0,0015 Molybdenum +0,0043 Nickel silver +0,00007 Nickel +0,0041 Niccolite +0,00022 Platinum +0,0039 Platinum-Rhodium (10 % Rh.) +0,0017 Mercury +0,00090 Silver +0,0036 […]