Q35. The electrical resistivities of four materials A, B, C, and D are given below: A = 110×10-8 Ωm B = 1.0×1010 Ωm C = 10.0×10-8 Ωm D = 2.3×103 Ωm Which material is: a) Good conductor b) Resistor 3 years ago Answer: a) Good conductor is C = 10.0×10-8 Ωm . b) Resistor is A = 110×10-8 Ωm .