Multiple Choice
A 1.0-mm diameter extension cord is made of metal having a resistivity of 1.68 × 10-8 Ω ∙ m.When it carries a current of 15 A,what is the potential difference between two points in the cord that are 100 m apart?
A) 12 V
B) 23 V
C) 32 V
D) 41 V
Correct Answer:

Verified
Correct Answer:
Verified
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