

Understanding Resistance and Resistivity
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of measurement for resistance?
Ampere
Watt
Volt
Ohm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is resistivity defined in terms of material properties?
Power per unit resistance
Resistance per unit length and cross-sectional area
Voltage per unit current
Current per unit voltage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable is used to represent resistivity?
V
ρ (rho)
Ω (omega)
R
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to resistance if the length of a material increases?
Resistance decreases
Resistance becomes zero
Resistance increases
Resistance remains the same
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is copper wire expected to have low resistance?
Because it allows electricity to flow easily
Because it has a high resistivity
Because it is a poor conductor
Because it has a large cross-sectional area
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