Answer
a. 0.270V, yes.
b. 0.270V.
Work Step by Step
a. $|\epsilon_2|=M|\frac{di_1}{dt}|=(3.25\times10^{-4}H)(830A/s)=0.270V$. Yes, it is constant.
b. It would be the same. $|\epsilon_1|=M|\frac{di_2}{dt}|=(3.25\times10^{-4}H)(830A/s)=0.270V$.
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