A 1.5-cm square rod, 4.0 m long, measures 0.040 ohms. What is its resistivity?
A. 0.023 Wœm
B. 0.015 Wœm
C. 1.5 ˛ 10-4 Wœm
D. 2.3 ˛ 10-6 Wœm
Answer:D
A 1.5-cm square rod, 4.0 m long, measures 0.040 ohms. What is its resistivity?
A. 0.023 Wœm B. 0.015 Wœm C. 1.5 ˛ 10-4 Wœm D. 2.3 ˛ 10-6 Wœm