Resistor Color Code
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This exam will test your ability to decode an resistor's color code and calculate the resistance and tolerance of a resistor. This skill is needed by technicians, engineers and some hobbyists.
- 1.
- A.
25K Ohms with a 5% Tolerance and a 2.5K Ohm tolerance range
- B.
25M Ohms with a 5% Tolerance and a 2.5M Ohm tolerance range
- C.
6.5k Ohms with a 5% Tolerance and a 650 Ohm tolerance range
- D.
2500 Ohms with a 10% Tolerance and a 500 Ohm tolerance range
- E.
25M Ohms with a 10% Tolerance and a 5M Ohm tolerance range
- 2.The resistor has 4 bands. Green, Blue, Red, Silver Which answer is correct?
- A.
56K Ohms with a 5% Tolerance and a 2.5K Ohm tolerance range
- B.
5.6K Ohms with a 5% Tolerance and a 560 Ohm tolerance range
- C.
56K Ohms with a 10 Tolerance and a 11.2K Ohm tolerance range
- D.
5.6K Ohms with a 10% Tolerance and a 1120 Ohm tolerance range
- E.
560 Ohms with a 5% Tolerance and a 56 Ohm tolerance range
- 3.The resistor has 4 bands. Yellow, Brown, Brown, Gold Which answer is correct?
- A.
110k Ohms with a 5% Tolerance and a 11k Ohm tolerance range
- B.
410 Ohms with a 10% Tolerance and a 82 Ohm tolerance range
- C.
110k Ohms with a 10% Tolerance and a 22k Ohm tolerance range
- D.
4.1k Ohms with a 10% Tolerance and a 820 Ohm tolerance range
- E.
410 Ohms with a 5% Tolerance and a 41 Ohm tolerance range
- 4.The resistor has 4 bands. Orange, Orange, Orange Which answer is correct?
- A.
33k Ohms with a 20% Tolerance and a 13.2k Ohm tolerance range
- B.
33k Ohms with a 10% Tolerance and a 6600 Ohm tolerance range
- C.
33k Ohms with a 5% Tolerance and a 3300 Ohm tolerance range
- D.
33k Ohms with a 2% Tolerance and a 660 Ohm tolerance range
- E.
33k Ohms with a 1% Tolerance and a 330 Ohm tolerance range
- 5.The resistor has 4 bands. Brown, Back, Red, Gold Which answer is correct?
- A.
100 Ohms with a 1% Tolerance and a 2 Ohm tolerance range
- B.
1000 Ohms with a 5% Tolerance and a 100 Ohm tolerance range
- C.
10k Ohms with a 5% Tolerance and a 1K Ohm tolerance range
- D.
1000 Ohms with a 10% Tolerance and a 200 Ohm tolerance range
- E.
100 Ohms with a 20% Tolerance and a 40 Ohm tolerance range
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