Multiple Choice
Two long parallel wires are separated by 4.0 cm. One of the wires carries a current of 20 A and the other carries a 30-A current. Determine the magnitude of the magnetic force on a 2.0-m length of the wire carrying the greater current.
A) 7.0 mN
B) 6.0 mN
C) 8.0 mN
D) 9.0 mN
E) 4.0 mN
Correct Answer:

Verified
Correct Answer:
Verified
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