Induced Current

Attachment 70561

1. The problem statement, all variables and given/known data[/b]
In the figure, two parallel wires carry a current I in opposite directions. A rectangular loop is midway between the wires. The current I is decreasing. The induced current through the resistor R is:
A: Zero
B: from b to a
C: from a to b

2. Relevant equations

3. The attempt at a solution

i know that in order to find out which way the current is flowing i need to use the right hand rule, but i also need to know if the magnetic field is flowing out or going into the page? i’m not quite sure how i would approach determining that.

Attached Images
File Type: png Screen Shot 2014-06-12 at 1.36.31 PM.png (18.8 KB)

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