Other Answers (2)
Relevance
Resistance is directly related to the crosssectional area of a wire, so for each scenario you gave, the effect for resistance should be the same.

R1=(ro)XL/A,R2=(ro)XL/2A,then R2/R1=(ro)XL/2A / (ro)XL/A=1/2,
so the resistance will be halvedSource(s):
College physics.
1 answer hidden
If the crosssection of a wire of fixed length is doubled, how does the resistance of that wire change?
Halved
Doubled
Unchanged
Quadrupled
Doubled
Unchanged
Quadrupled
Sign In
to add your answer