Two long straight wires enter a room through a window. One carries a current of 3.0 A into the room while the other carries a current of 5.0 A out. The magnitude in T.m of the path integral around the window frame is:
A) 2.5 *10-6 T .m
B) 3.8 * 10-6 T .m
C) 6.3 *10-6 T .m
D) 1.0 *10-5 T .m
E) none of these
Correct Answer:
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