Multiple Choice
A rod is 4.0 m long and has a square cross-section that is 1.5 cm on each side.An ohmmeter measures 0.040 Ω across its ends.What is the resistivity of the material from which this rod is made?
A) 0.023 Ω ∙ m
B) 0.015 Ω ∙ m
C) 1.5 × 10-4 Ω ∙ m
D) 2.3 × 10-6 Ω ∙ m
Correct Answer:
Verified
Correct Answer:
Verified
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