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A copper (p= 1.72 x 10-8 22 m) wire 0.5cm in diameter and 70 cm long connects your
car's battery to the starter motor. If the starter motor draws a current of 170 A, what is
the potential difference across the wire?
A) 0.10 22
B)
0.10 V
C) 0.61 m2
D) 0.61 mV
E) 1.69