Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
A nichrome wire of length 1 m and cross-sectional area
0.50
mm
2
0.50\,\text{mm}^2
0.50
mm
2
has resistance 22 Ω. What is the resistance of another nichrome wire of length 2 m and cross-sectional area
0.25
mm
2
0.25\,\text{mm}^2
0.25
mm
2
kept at the same temperature? a)
44
Ω
44\;\Omega
44
Ω
b)
88
Ω
88\;\Omega
88
Ω
c)
22
Ω
22\;\Omega
22
Ω
d)
176
Ω
176\;\Omega
176
Ω
Browse the problem library