A wire of length 100 cm has a resistance of 10(Omega). If its cross-sectional area is 0.005cm2, determine its resistivity
-
A.
0.0005(Omega)cm -
B.
0.0015(Omega)cm -
C.
0.0016(Omega)cm -
D.
0.0700(Omega)cm
Correct Answer: Option A
Explanation
e = (frac{RA}{L} = frac{10 times 0.005}{100} = 0.0005)