In this case the fourth band is the multiplier as power of ten. Table 1-2 Results of Lab exercise Resistor Color bands Number Tolerance Nominal value Rn Measured value R (0) Lercent error Ex Within tolerance (yes/no) 2 فوبيا 4 5Ġ On resistors of tighter tolerance there will be a third significant digit for a total of five bands.
#Power of ten band code#
Using the color code scheme given in Table 1-1 determine the nominal and tolerance values of each resistor and write these down in the columns under "Nominal Value" and "Tolerance of your table. For your report, make a table like the one below in Table 1-2. Exercise 1-1: Fixed Resistors Take 5 resistors out or your parts bag. The value printed on resistors in the 4-digit numerical code format, with a letter indicating tolerance. Table 1-1 Color codes for resistors Color Value Multiplier Tolerance Black 0 10 NA Brown 10 1% (F) Red 10 2% (G) Orange 10 3% (H) Yellow 104 NA Green 5 10 0.5% (D) Blue 6 104 0.25% (Q) Violet 7 10 0.1% (B) Gray 8 10 0.05% (A) White 9 10 NA Gold NA 0.1 5% (J) Silver NA 0.01 10% None NA NA 20% 2 3 4 Sometimes the resistor will have the nominal and tolerance values printed instead of given by color bands. For example, blue, white, grey, red with a red tolerance band: 698 102 -69.8 kA with tolerance of 2%. Transcribed image text: On resistors of tighter tolerance there will be a third significant digit for a total of five bands.