WorksheetsResistor/Resistor Color Coding
Total questions: 20
Worksheet time: 10mins
An electrical component that we use in electronics circuits to limit current though an active component or to reduce voltage in the circuit.
Capacitor
Current
Resistor
Ancestor
What is the unit of measurement for resistance?
Voltage
Ampere
Watts
Ohms
A resistor's first three color bands are brown, black, and red. What is its value?
10 ohms
10K ohms
200 ohms
1000 ohms
Which digit on the 1st band does the color yellow denote on a resistor color band?
3
2
4
7
A 47K ohm resistor would have which colors on its first three bands?
Yellow, Violet, White
Yellow, Violet, Orange
Red, White, Blue
Orange, Yellow, Violet
Which digit does the color orange denote on a resistor color band?
2
4
3
5
Which of these colors is NOT used in the resistor value color code?
White
Black
Violet
Pink
The gold color band refers to__________tolerance.
+ / - 20%
+ / - 10%
+ / - 5%
zero
Resistors can be found in __________ types of electronic equipment
all
a few
no
most
What are the color codes for a 470K ohm resistor?
Orange, Grey, Orange
Yellow, Violet, Yellow
Yellow, Violet, Orange
Orange, Grey, Yellow
What is the tolerance for a Red, Brown, Brown, Silver resistor?
1%
20%
5%
10%
What color that has a multiplier of x1000
Red
Orange
Blue
Brown
What is the tolerance for a Green, Red, Black, Gold resistor?
1%
20%
5%
10%
What is the color code for a Orange, Black, Red resistor?
3K Ohms
200 Ohms
2K Ohms
300 Ohms
What is the purpose of a resistor?
allow current flow
control current flow
prevent current flow
allow heat to build up
What is the resistance for a Red, Green, Blue color resistor?
250,000 ohms
25K ohms
25,000,000 ohms
250K ohms
What is the maximum value in the tolerance range of a resistor with color code Red-Violet-Orange-Gold?
29.7 K Ω
32.4 K Ω
28.35 K Ω
27 kΩ
What is the minimum value in the tolerance range of a resistor with color code Brown-Red-Brown?
108 Ω
144 Ω
116 Ω
96 Ω
What is the multiplier for color Green?
x10,000
x1,000,000
x100,000
x1,000
What are power resistors used for?
As general purpose resistors
To obtain an exact value of resistance
Vary a circuit's power rating
Control large amounts of current
