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At time t = 0, what is the magnetic flux in the loop?

A wire along the z-axis (horizontal) with current I going in the positive z-direction produces the
magnetic field given by
B(x) = -6.
μοι
2TS
A square loop of side a is initially on top of the wire, with its bottom side positioned at so. The loop
is then allowed to freely fall toward the wire
TH
☐ I falle down
so{
į
2

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