Suppose I've two step up transformers $A$ and $B$, each with same number of coils and same length of wire and same material of input wire. But $A$ has an output wire of higher resistance than $B$.
According to the internet and my book, the induced emf doesn't depend on the resistance of material of the output wire. So as long as the power generator configuration and the number of coils in the output and input wires remain the same, the output induced emf will be equal in both $A$ and $B$. The output power cannot be more than input power since that violates the law of conservation of energy.
In transformer $A$, let the input power be $$P_I=V_{I}I_I$$ and the output power be $$P_O=V_OI_O$$ and since $P_I=P_O$(considering an ideal situation), $$V_O > V_I$$ $$\therefore I_O<I_I$$
Now, in the second transformer $B$ with lower resistance output wire, $P'_I=V'_II'_I=P_I$ and the output voltage $V'_O=V_O$ since induced emf doesn't depend on resistance.
But by Ohm's Law, $$I'_O=\frac{V'_O}{R'_O}>I_O$$ Now considering Lenz Law, if $R'_O$ decreases, $I'_O$ increases so opposing force increases and for the same input power, $V'_O$ decreases. But this means that $I'_O$ decreases now, so resistive force decreases, so $V'_O$ increases again??? What is exactly happening, and how is conservation of energy being maintained? I'm getting overwhelmed, please help me with this confusion.