Induced current in a loop circuit magnetic field

[iiiiaann]

Homework Statement

Homework Equations

I know this is supposed to use Lenz's law, but I don't really understand it

V=IR

The Attempt at a Solution

I calculated the resistance of the circuit to be 6.4e-6 / .0015 = 0.00426666667, but that's as far as i know what to do

 

[iiiiaann]

any help here? I'm really stumped on this one