The specific resistance of the material of a conductor of length 3m area of cross-section 0.2 mm2 having a resistance of 2 ohm is:
A. 1.6 × 10-8 mho m-1
B. 7.5 × 10-8 mho m-1
C. 1.33 × 10-7 mho m-1
D. 1.5 × 10-8 mho m-1
Answer:B
The specific resistance of the material of a conductor of length 3m area of cross-section 0.2 mm2 having a resistance of 2 ohm is:
A. 1.6 × 10-8 mho m-1 B. 7.5 × 10-8 mho m-1 C. 1.33 × 10-7 mho m-1 D. 1.5 × 10-8 mho m-1