A Horizontal Wire of Length 4

Multiple Choice

A horizontal wire of length 4.5 m carries a current of 5.8 A and is oriented so that the current direction is 53° S of W.The Earth's magnetic field is due north at this point and has a strength of 0.14 × 10−⁴ T.What is the size of the force on the wire?

A) 2.9E-4 N
B) 3.4E-4 N
C) 1.4E-4 N
D) 2.2E-4 N
E) 7.8E-5 N