Problem 3.115

Find the potential difference between points \(A\) and \(B\) of the system shown in Fig. 3.19 if the emf is equal to \(\mathscr{E}=110 \mathrm{~V}\) and the capacitance ratio \(C_{2} / C_{1}=\eta=2.0\).

U=\mathscr{E} /\left(1+3 \eta+\eta^{2}\right)=10 \quad \mathrm{~V}

Electric Capacitance, Energy of an Electric Field