Question text
32 The graph is the voltage-current graph for two resistance wires P and Q. voltage P Q 0 0 current The wires are made from the same material and have equal lengths. The resistances of the wires and their cross-sectional areas are different. Which wire has the greater resistance and which wire has the larger cross-sectional area? larger cross- greater resistance sectional area A P P B P Q C Q P D Q Q
32 The graph is the voltage-current graph for two resistance wires P and Q.
voltage P
Q
0
0
current
The wires are made from the same material and have equal lengths.
The resistances of the wires and their cross-sectional areas are different.
Which wire has the greater resistance and which wire has the larger cross-sectional area?
larger cross-
greater resistance
sectional area
A P P
B P Q
C Q P
D Q Q
Select your answer: