Graph Question
2.8
3.1
Resistance / 1.9
2.5
3.6
4.1
Ω
Length / m 5.0
6.0
7.0
8.0
9.0
10.0
a) Plot a graph of resistance (y-axis) versus length (x-axis), starting both scales from the
origin.
b) Is graph linear or non-linear?
c) Determine the gradient of the graph.
d) What is (i) the resistance of 12m of this wire. (ii) the length of wire of resistance 3.3
Ω?
e) What is the value of the intercept on the x-axis?