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Worksheets

Resistor Color Codes

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

A 4 band resistor's first three color bands are brown, black, and red. What is its value?

a)

10 Ω

b)

10 kΩ

c)

200 Ω

d)

1000 Ω

2.

Which digit on the 1st band does the color yellow denote on a resistor color band?

a)

3

b)

2

c)

4

d)

7

3.

A 4 band 47K ohm resistor would have which colors on its first three bands?

a)

Yellow, Violet, White

b)

Yellow, Violet, Orange

c)

Red, White, Blue

d)

Orange, Yellow, Violet

4.

Which digit does the color orange denote on a resistor color band?

a)

2

b)

4

c)

3

d)

5

5.

Which of these colors is NOT used in the resistor value color code?

a)

White

b)

Black

c)

Violet

d)

Pink

6.

The gold color band refers to a tolerance of _________.

a)

+ / - 20%

b)

+ / - 10%

c)

+ / - 5%

d)

zero

7.

What are the colors for a 4 band 470K ohm resistor?

a)

Orange, Grey, Orange

b)

Yellow, Violet, Yellow

c)

Yellow, Violet, Orange

d)

Orange, Grey, Yellow

8.

What is the tolerance for a Red, Brown, Brown, Silver resistor?

a)

1%

b)

20%

c)

5%

d)

10%

9.

What color has a multiplier of x1000 ?

a)

Red

b)

Orange

c)

Blue

d)

Brown

10.

What is the tolerance for a Green, Red, Black, Gold resistor?

a)

1%

b)

20%

c)

5%

d)

10%

11.

What is the value for a 4 band Orange, Black, Red resistor?

a)

3 kΩ

b)

200 Ω

c)

2 kΩ

d)

300 Ω

12.

What is the resistance for a 4 band Red, Green, Blue color resistor?

a)

250,000 Ω

b)

25 kΩ

c)

25,000,000 Ω

d)

250 kΩ

13.

What is the maximum possible value of a resistor with color code Red-Violet-Orange-Gold?

a)

29,700 Ω

b)

32,400 Ω

c)

28,350 Ω

d)

27,000 Ω

14.

What is the minimum possible value of a resistor with color code Brown-Red-Brown?

a)

108 Ω

b)

144 Ω

c)

116 Ω

d)

96 Ω

15.

What is the multiplier for the color Green?

a)

x10,000

b)

x1,000,000

c)

x100,000

d)

x1,000

16.

The first two color bands are __________.

a)

Always Red In Color

b)

Digits

c)

Tolerance

d)

Gold or Silver

17.

The third color band is a _______ or __________.

a)

Gold or Silver

b)

Green or Blue

c)

2k or 5k ohms

d)

multiplier or the number of zeros

18.

The fourth color band on a 4 band resistor represents ________.

a)

Digits

b)

Tolerance

c)

Voltage

d)

Multiplier or number of zeros

19.

A 3 band resistor has a tolerance of __________.

a)

2%

b)

0.2%

c)

20%

d)

It doesn't have a tolerance.

20.

What is the maximum possible value of a 2400 Ω resistor with a tolerance of +/- 10% ?

a)

24,000 Ω

b)

2,424 Ω

c)

2,160 Ω

d)

2,640 Ω

21.

What is the maximum possible value of a 91,000 Ω resistor with a tolerance of +/- 20% ?

a)

92,820 Ω

b)

109,200 Ω

c)

72,800 Ω

d)

1,820,000 Ω

22.

What is the maximum possible value of a 3,600 Ω resistor with a tolerance of +/- 1% ?

a)

3,636 Ω

b)

3,960 Ω

c)

3,564 Ω

d)

3,603.6 Ω

23.

What is the minimum possible value of a 680 Ω resistor with a tolerance of +/- 5% ?

a)

714 Ω

b)

676.6 Ω

c)

136 Ω

d)

646 Ω

24.

What is the minimum possible value of a 27 Ω resistor with a tolerance of +/- 10% ?

a)

2.7 Ω

b)

26.73 Ω

c)

24.3 Ω

d)

29.7 Ω

25.

What is the minimum possible value of a 100 Ω resistor with a tolerance of +/- 2% ?

a)

102 Ω

b)

98 Ω

c)

80 Ω

d)

99.8 Ω