Question 1

A resistor has the color bands Yellow, Violet, Orange, and Gold. What is the resistance value of this component?

Accepted Answer

47 kΩ ±5%

Answer

470 kΩ ±10%

Answer

470 Ω ±10%

Answer

4.7 kΩ ±5%

Question 2

Which color represents the number 2 in the first or second band of a resistor?

Accepted Answer

Red

Answer

Blue

Answer

Brown

Answer

Orange

Question 3

If a resistor has the colors Brown, Black, Red, and Silver, what is its total resistance?

Accepted Answer

1000 Ω ±10%

Answer

10000 Ω ±10%

Answer

100 Ω ±5%

Answer

10 Ω ±5%

Question 4

What is the multiplier value for the color Green?

Accepted Answer

100,000

Answer

1,000,000

Answer

10,000

Answer

1,000

Question 5

A resistor is labeled Blue, Gray, Black, and Gold. What is its resistance?

Accepted Answer

68 Ω ±5%

Answer

6.8 Ω ±10%

Answer

68 kΩ ±5%

Answer

680 Ω ±5%

Question 6

Which color is used to indicate a tolerance of ±10%?

Accepted Answer

Silver

Answer

Brown

Answer

Gold

Answer

Red

Question 7

What are the colors for a 220 Ω ±5% resistor?

Accepted Answer

Red, Red, Brown, Gold

Answer

Brown, Red, Red, Gold

Answer

Red, Red, Red, Gold

Answer

Orange, Orange, Brown, Silver

Question 8

What resistance value is represented by the colors Orange, White, Yellow, Gold?

Accepted Answer

390 kΩ ±5%

Answer

39 kΩ ±5%

Answer

3.9 MΩ ±10%

Answer

390 Ω ±5%

Question 9

If the first three bands are Brown, Green, and Gold, what is the resistance? (Note: Gold as multiplier)

Accepted Answer

1.5 Ω

Answer

0.15 Ω

Answer

15 Ω

Answer

150 Ω

Question 10

Convert 5.6 kΩ into resistor color codes (assume ±5% tolerance).

Accepted Answer

Green, Blue, Red, Gold

Answer

Green, Violet, Red, Gold

Answer

Green, Blue, Orange, Gold

Answer

Blue, Green, Red, Silver

Question 11

A resistor has the color bands Gray, Red, Orange, and Silver. What is its total resistance value?

Accepted Answer

82 kΩ ±10%

Answer

820 Ω ±5%

Answer

820 kΩ ±5%

Answer

8.2 kΩ ±10%

Question 12

If we want to select a resistor with a value of

3.3 k\Omega

and a

\pm5\%

tolerance, which color sequence should we look for?

Accepted Answer

Orange, Orange, Red, Gold

Answer

Orange, White, Red, Gold

Answer

Red, Red, Orange, Silver

Answer

Orange, Orange, Orange, Gold

Question 13

A student measures a resistor with the color bands Brown, Black, Yellow, and Gold. What is the correct resistance value for this component?

Accepted Answer

100 kΩ ±5%

Answer

10 kΩ ±5%

Answer

100 Ω ±5%

Answer

1 MΩ ±10%

Question 14

What is the resistance value of a resistor with the color sequence Blue, Gray, Green, and Silver?

Accepted Answer

6.8 MΩ ±10%

Answer

68 MΩ ±10%

Answer

680 kΩ ±5%

Answer

6.8 kΩ ±5%

Question 15

A resistor has the colors Red, Violet, Gold, and Gold. What is its measured resistance value?

Accepted Answer

2.7 Ω ±5%

Answer

27 Ω ±5%

Answer

0.27 Ω ±10%

Answer

270 Ω ±5%

Question 16

A resistor has the colors Green, Blue, Black, and Gold. What is the correct resistance value?

Accepted Answer

56 Ω ±5%

Answer

5 Ω ±5%

Answer

560 Ω ±5%

Answer

5.6 kΩ ±10%

Question 17

An electrician needs a

3.3 k\Omega

resistor with a

\pm5\%

tolerance. Which color-coded resistor should be chosen?

Accepted Answer

Brown, Red, Red, Silver

Answer

Brown, Red, Orange, Silver

Answer

Red, Brown, Red, Silver

Answer

Brown, Black, Red, Gold

Question 18

A resistor has the colors White, Brown, Orange, and Gold. What is the calculated resistance value?

Accepted Answer

91 kΩ ±5%

Answer

910 kΩ ±5%

Answer

9.1 kΩ ±5%

Answer

910 Ω ±10%

Question 19

A student finds a resistor with the color bands Yellow, Violet, Brown, and Gold. What is the correct resistance value?

Accepted Answer

470 Ω ±5%

Answer

470 kΩ ±5%

Answer

47 Ω ±5%

Answer

4.7 kΩ ±10%