Multiple Choice
A straight section of a current-bearing wire passes through a 15-cm wide region of space between the poles of an electromagnet.The magnetic field,when the electromagnet is on,is inclined at a 72 degree angle relative to the wire.If,when the magnet is turned on and produces a field of 1.0 T,the wire experiences a force of 0.18 N,what current is flowing in the wire?
A) 1.2 A
B) 1.3 A
C) 3.7 A
D) 3.9 A
E) None are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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