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Now imagine that the coil is subjected to a series of experiments, that we will label 1, 2, etc., for clarity.
At the beginning of both experiments 1 and 2, the magnetic field is initially 3.0 T.
In experiment 1, the magnetic field is changed in 2.0 ms from 3.0 T to 6.0 T.
In experiment 2, the magnetic field is changed in 2.0 ms from 3.0 T to 20.0 T.
What is the ratio of the average emf observed in each case, EMF1 / EMF2?

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