WorksheetsMobile Robotics - Current Electricity, Resistance
Total questions: 20
Worksheet time: 12mins
What is the unit we use to measure electric current?
ampere (amp)
ohm
volt
newton
10 mA is equivalent to __________ A?
10 000 A
1,000 A
0.01 A
0.001 A
What is the unit we use to measure voltage?
ampere (amp)
ohm
volt
newton
What is the unit we use to measure resistance?
ampere (amp)
ohm
volt
newton
How do you calculate resistance?
Current x Voltage
Voltage x Power
Voltage ÷ Current
Current ÷ Voltage
What is the resistance of the resistor above (Orange, Blue, Brown, Gold)?
360 Ω ± 5%
36 kΩ ± 5%
36 Ω ± 5%
3.6 Ω ± 5%
What is the resistance of the resistor (Brown, Black, Orange, Gold)?
10 Ω ± 5%
100 kΩ ± 10%
10 kΩ ± 5%
1 kΩ ± 10%
If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance
12Ω
6Ω
24Ω
0.167Ω
If a circuit has two resistors in series both are 4Ω, what is the total resistance of the circuit?
1Ω
2Ω
4Ω
8Ω
If a circuit has two resistors in parallel both are 4Ω, what is the total resistance of the circuit?
1Ω
2Ω
4Ω
8Ω
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
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 is the color code for a Orange, Black, Red resistor?
3K Ohms
200 Ohms
2K Ohms
300 Ohms
