A resistance wire of length 2 m and of uniform cross-sectional area 5.0 x 10-7 m2 has a resistance of 2.2 Ω Calculate its resistivity
A
1.8 x 10-7Ωm
B
5.5 x 10-7Ωm
C
1.8 x 10-7Ωm
D
5.8 x 107Ωm
Verified Correct Answer: B.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #25500)