Wednesday, June 5, 2019

Benefits of reading newspapers Essay Example for Free

Benefits of reading newspapers EssayUIUC Physics 436 EM palm Sources II return Semester, 2011 Supplemental HandoutProf. Steven ErredeAmeri mountain outfit aegir (AWG) calculated Gauge Wire SizesAWG Wire Sizes (see table below)AWG In the American Wire Gauge (AWG), diameters can be calculated by applying the formula D(AWG) = 0.005 * 92 ((36-AWG)/39) inch. For the 00, 000, 0000 etc. gauges you use -1, -2, -3, which makes more sense mathematically than double nought. This means that in American Wire Gauge every 6 gauge decrease gives a doubling of the electrify diameter, and every 3 gauge decrease doubles the wire hybridization sectional area just like calculating dBs in signal levels. Metric Wire Gauges (see table below)Metric Gauge In the Metric Gauge scale, the gauge is 10 times the diameter in millimeters, thus a 50 gauge metric wire would be 5 mm in diameter. Note that in AWG the diameter goes up as the gauge goes down. Metric is the opposite. Probably because of this confusion, most of the time metric sized wire is specified in millimeters rather than metric gauges. Load Carrying Capacities (see table below)The pastime chart is a guideline of ampacity, or copper wire current-carrying capacity following the Handbook of Electronic Tables and Formulas for American Wire Gauge. As you might guess, the rated ampacities are just a rule of thumb. In careful engineering the insulation temperature limit, thickness, thermic conductivity, and air convection and temperature should all be taken into account. The Maximum Amps for Power Transmission uses the 700 circular mils per amp rule, which is very conservative. The Maximum Amps for Chassis Wiring is also a conservative rating, but is meant for wiring in air, and not in a bundle. For short lengths of wire, such as is used in battery packs, you should trade reach the resistance and load with size, weight, and flexibility. Professor Steven Errede, Department of Physics, University of Illinois atUrbana-Cha mpaign, Illinois 2005-2008. All Rights Reserved.1UIUC Physics 436 EM Fields Sources II Fall Semester, 2011 Supplemental HandoutProf. Steven ErredeAWG GaugeDiameter(Inches)Diameter(mm)Ohms per 1000( T=20oC)Ohms per km( T=20oC)Max amps forchassis wiringMax amps forpower X-mission00000000001234567891011121314151617181920212223242526272829303132Metric 2.033Metric 1.834Metric 1.635Metric 1.436Metric 1.2537Metric 1.1238Metric 13940414243444546470.46000.40960.36480.32490.28930.25760.22940.20430.18190.16200.14430.12850.11440.10190.09070.08080.07200.06410.05710.05080.04530.04030.03590.03200.02850.02540.02260.02010.01790.01590.01420.01260.01130.01000.00890.00800.007870.007100.007090.006300.006300.005600.005510.005000.004920.004500.004410.004000.003940.003500.003100.002800.002500.002200.002000.001760.001570.0014011.684010.403849.265928.252467.348226.543045.826765.189224.620264.114803.665223.263902.905762.588262.303782.052321.828801.628141.450341.290321.150621.023620.911860.812800.723900.64516 0.574040.510540.454660.403860.360680.320040.287020.2540.226060.20320.2000.180340.180000.160020.160020.142240.140000.127000.125000.114300.112000.101600.100000.088900.078740.071120.063500.055880.050800.044700.039880.035560.04900.06180.07790.09830.12390.15630.19700.24850.31330.39510.49820.62820.79210.99891.26001.58802.00302.52503.18404.01605.06406.38508.051010.15012.80016.14020.3625.6732.3740.8151.4764.981.83103.2130.1164.1169.4206.9207.5260.9260.9329.0339.0414.8428.2523.1533.8659.6670.2831.8104913231659214325933348420752910.1607200.2027040.2555120.3224240.4063920.5126640.6461600.8150801.0276241.2959281.6340962.0604962.5980883.2763924.1328005.2086406.5698408.28200010.4435213.1724816.6099220.9428026.4072833.2920041.9840052.9392066.7808084.19760106.1736133.8568168.8216212.8720268.4024338.4960426.7280538.2480555.6100678.6320680.5500855.7520855.75201079.12011141360140417151750216321982728344243415443703185071098413802173593803282832452111811581351181018973645547413532282219161411974.73.52. 72.21.71.41.20.860.7000.5300.5100.4300.4300.3300.3300.2700.2600.2100.2000.1700.1630.1300.1260.1100.090302239190150119947560473730241915129.37.45.94.73.72.92.31.81.51.20.920.7290.5770.4570.3610.2880.2260.1820.1420.11300.09100.08800.07200.07200.05600.05600.04400.04300.03500.03400.02890.02770.02280.02250.01750.01372 Professor Steven Errede, Department of Physics, University of Illinois at Urbana-Champaign, Illinois 2005-2008. All Rights Reserved.UIUC Physics 436 EM Fields Sources II Fall Semester, 2011 Supplemental HandoutProf. Steven Errede Professor Steven Errede, Department of Physics, University of Illinois at Urbana-Champaign, Illinois 2005-2008. All Rights Reserved.3

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