Resistor Tutorial, Answer Sheet
by Tony van Roon(VA3AVR)
(1)
example1
 1st band, denominator: 1
 2nd band, denominator: 0
 3rd band, how many zeros: 1
 4th band, tolerance in %: 5 (gold)
 Answer:  1 0 1 = 100 ohm, 5% tolerance
(2)
 1st band: 2
 2nd band: 2
 3rd band: 3
 4th band, tolerance in %: 5
 Answer: 2 2 3 = 22000 ohm (22K)
(3)
 1st band: 2
 2nd band: 2
 3rd band: 2
 4th band, tolerance in %: 5
 Answer: 2 2 2 = 2200 ohm (2.2K or 2K2)
(4)
 1st band: 2
 2nd band: 7
 3rd band: 2
 4th band, tolerance in %: 5
 Answer: 2 7 2 = 2700 ohm (2.7K or 2K7)
(5)
 1st band: 4
 2nd band: 7
 3rd band: 3
 4th band, tolerance in %: 2
 Answer: 4 7 3 = 47000 ohm (47K)
(6)
 1st band: 4
 2nd band: 7
 3rd band: 4
 4th band, tolerance in %: 5
 Answer: 4 7 4 = 470000 ohm (470K)
(7)
 1st band: 5
 2nd band: 6
 3rd band: 1
 4th band, tolerance in %: 5
 Answer: 5 6 1 = 560 ohm
(8)
 1st band: 5
 2nd band: 6
 3rd band: 2
 4th band, tolerance in %: 5
 Answer: 5 6 2 = 5600 ohm (5.6K or 5K6)
(9)
 1st band: 3
 2nd band: 3
 3rd band: 4
 4th band, tolerance in %: 5
 Answer: 3 3 4 = 330000 ohm (330K)
(10)
 1st band: 1
 2nd band: 0
 3rd band: 6
 4th band, tolerance in %: 5
 Answer: 1 0 6 = 10000000 ohm (10000K or 10M)
(11)
 1st band: 3
 2nd band: 9
 3rd band: 6
 4th band, tolerance in %: 5
 Answer: 3 9 6 = 39000000 ohm (39M)
(12)
 1st band: 1
 2nd band: 0
 3rd band: 5
 4th band, tolerance in %: 5
 Answer: 1 0 5 = 1000000 ohm (1M)
(13)
 1st band: 8
 2nd band: 6
 3rd band: 1
 4th band, tolerance in %: 5
 Answer: 8 6 1 = 860 ohm
(14)
 1st band: 1
 2nd band: 0
 3rd band: 0
 4th band, tolerance in %: 5
 Answer: 1 0 0 = 10 ohm
(15)
 1st band: 1
 2nd band: 2
 3rd band: 2
 4th band, tolerance in %: 1
 Answer: 1 2 2 = 1200 ohm (1.2K or 1K2)
(16)
 1st band: 2
 2nd band: 2
 3rd band: 2
 4th band, tolerance in %: 2
 Answer: 2 2 2 = 2200 ohm (2.2K or 2K2)
(17)
 1st band: 7
 2nd band: 5
 3rd band: 0
 4th band, tolerance in %: 20
 Answer: 7 5 0 = 75 ohm
(18)
 1st band: 1
 2nd band: 0
 3rd band: 4
 4th band, tolerance in %: 5
 Answer: 1 0 4 = 100000 ohm (100K) 
(19)
 1st band: 1
 2nd band: 0
 3rd band: 2
 4th band, tolerance in %: 10
 Answer: 1 0 2 = 1000 ohm (1K)
(20)
 1st band: 2
 2nd band: 7
 3rd band: 6
 4th band, tolerance in %: 20
 Answer: 2 7 6 = 27000000 ohm (27000K or 27M)
(21)
 1st band: 2
 2nd band: 7
 3rd band: 6
 4th band, tolerance in %: 20
 Answer: 2 7 6 = 27000000 ohm (27000K or 27M)
(22)
 1st band: 2
 2nd band: 7
 3rd band: 0.1
 4th band, tolerance in %: 1
 Answer: 2.7 ohm
(23)
 1st band: 5
 2nd band: 6
 3rd band: 0.1
 4th band, tolerance in %: 5
 Answer: 5.6 ohm
(24)
 1st band: 1
 2nd band: 9
 3rd band: 4
 4th band: 1
 5th band, tolerance in %: 1
 Answer: 1940 ohm (1.94K or 1K94)
(25)
 1st band: 4
 2nd band: 8
 3rd band: 7
 4th band: 2
 5th band, tolerance in %: 1
 Answer: 48700 ohm (48.7K or 48K7)

 4700 ohm, 5% = yellow violet red, gold         100 ohm, 2% = brown black brown, red

 1000 ohm, 5% = brown black red, gold            22 ohm, 1% = red red black, brown

  150 ohm, 5% = brown green brown, gold         270 ohm, 5% = red violet brown, gold

 3300 ohm, 5% = orange orange red, gold          10 ohm, 1% = brown black black, brown

  470 ohm, 2% = yellow violet brown, red      6800 ohm, 10% = blue gray red, silver

      3K3, 5% = orange orange red, gold              1K, 5% = brown black red, gold

  150 ohm, 1% = brown green brown, brown           2M9, 10% = red white green, silver

     10M, 10% = brown black blue, silver      1 Meg Ohm, 5% = brown black green, gold

    1 ohm, 1% = brown black gold, brown            3M9, 20% = orange white green, none

 1200 ohm, 5% = brown red red, gold                 1K2, 5% = brown red red, gold

  220 ohm, 1% = red red brown, brown           3300 ohm, 2% = orange orange red, red

   47 ohm, 5% = yellow violet black, gold       390 ohm, 5% = orange white brown, gold

 3900 ohm, 2% = orange white red, red       100.000 ohm, 5% = brown black yellow, gold

      10K, 5% = brown black orange, gold     10.000 ohm, 5% = brown black orange, gold

 1500 ohm, 2% = brown green red, red                56K, 5% = green blue orange, gold

      1M, 10% = brown black green, silver          470K, 1% = yellow violet yellow, brown

  1.8 ohm, 2% = brown gray gold, red            2.2 ohm, 1% = red red gold, brown

     2K76, 1% = red violet blue brown, brown      94.1K, 2% = white yellow brown red, red


Copyright © 2001 - Tony van Roon (VA3AVR)
ALL RIGHTS RESERVED, 2001
Last Updated: December 6, 2006