WorksheetsResistance
Total questions: 20
Worksheet time: 12mins
What is the unit of measurement for resistance?
Voltage
Ampere
Watts
Ohms
the formula to find current when the values of V and R are known is
I = V2R
I = V/R
I = R/V
I=VR
If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance
12Ω
6Ω
24Ω
0.167Ω
As the length of a wire increases, the resistance of the wire will
increase
decrease
stay the same
As the diameter of a wire increases, the resistance of the wire will
increase
decrease
stay the same
What effect does a hotter temperature have on resistance?
No effect
Increases resistance
Decreases resistance
Stays the same
What other factor of a wire could affect its resistance?
Material its made of
How shiny it is
Colour
What is the resistance if the current is 2A and the voltage is 10V?
8 Ω
20 Ω
12 Ω
5 Ω
Which circuit component provides voltage?
The unit electric current is measured in is
Volt
Ampere
Newton
Salty Water is
An insulator
A conductor
What are the units for resistance?
Ohms (Ω)
Voltage (V)
Amps (A)
Charge (C)
How do you measure potential difference in a circuit?
Voltmeter
Ammeter
Thermistor
Battery pack
How does the thickness of a wire affect resistance?
A thicker wire has more resistance
A thinner wire has more resistance
Thickness of a wire does not affect resistance
If the length of a wire increases, the resistance ____________
a. decreases
b. increases
c. stays the same
d. unknown
