The four wire loops shown in figure have vertical edge lengths of either L, 2 L, or 3 L. They wil...

The four wire loops shown in figure have vertical edge lengths of either L, 2 L, or 3 L. They will move with the same speed into a region of uniform magnetic field B⃗ directed out of the page. Rank them according to the maximum magnitude of the induced emf greatest to least.
(1) 1 and 2 tie, then 3 and 4 tie
(2) 3 and 4 tie, then 1 and 2 tie
(3) 4,2,3,1
(4) 4 then 2 and 3 tie, and then 1

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