A wire carries a 4.0-A current along the +x-axis through a magnetic field
= (5.0
+ 7.0
) T. If the wire experiences a force of 30 N
as a result, how long is the wire?
A) 1.1 m
B) 0.87 m
C) 1.5 m
D) 0.63 m
Correct Answer:
Verified
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