10.3 - Resistivity Flashcards
1
Q
What is resistivity a property of?
A
A material
2
Q
What is the equation including resistivity?
A
R = ρl/A
3
Q
What is the unit of resistivity?
A
Ohm metres
4
Q
What is the definition of resistivity?
A
The resisting power of a material to a current
5
Q
How do you find the resistivity of a wire?
A
By connecting it in a series circuit, measuring its length with a metre ruler, diameter with a micrometre screw gauge, and the resistance across it, and then using the resistivity equation
