Multiple Choice
A long straight wire carries a constant current I. The magnitude of the magnetic flux through the illustrated rectangular loop of wire is
A) ( 0/4 ) 2Il ln(b/a)
B) ( 0/4 ) 4Il ln(b/a)
C) ( 0/4 ) Il ln[(a + b) /(b - a) ]
D) ( 0/4 ) 4Il ln[(b - a) /(b + a) ]
E) ( 0/4 ) 2Il ln[(b - a) /(b + a) ]
Correct Answer:

Verified
Correct Answer:
Verified
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