a) In Figure, what value must R have if the current in the circuit is to be 1.0 mA? Take E1 = 2.0V , E2 = 3.0V , and r1 = r2 =
![Amazon.com: OWON P4305 Single Channel 150W Maximum Output 0-30V / 0-5A Output 1mV/1mA Linear DC Power Supply : Industrial & Scientific Amazon.com: OWON P4305 Single Channel 150W Maximum Output 0-30V / 0-5A Output 1mV/1mA Linear DC Power Supply : Industrial & Scientific](https://m.media-amazon.com/images/I/81u3tXeKSiL.jpg)
Amazon.com: OWON P4305 Single Channel 150W Maximum Output 0-30V / 0-5A Output 1mV/1mA Linear DC Power Supply : Industrial & Scientific
![Knoema | U.S. CPI Inflation Expected to Ease in June According to High-Frequency Indicators - knoema.com Knoema | U.S. CPI Inflation Expected to Ease in June According to High-Frequency Indicators - knoema.com](https://cdn.knoema.com/infographics/Knoema_Data_Driven_US_CPI_Index.png)
Knoema | U.S. CPI Inflation Expected to Ease in June According to High-Frequency Indicators - knoema.com
![Entropy | Free Full-Text | Exact Solution of a Time-Dependent Quantum Harmonic Oscillator with Two Frequency Jumps via the Lewis–Riesenfeld Dynamical Invariant Method Entropy | Free Full-Text | Exact Solution of a Time-Dependent Quantum Harmonic Oscillator with Two Frequency Jumps via the Lewis–Riesenfeld Dynamical Invariant Method](https://pub.mdpi-res.com/entropy/entropy-24-01851/article_deploy/html/images/entropy-24-01851-g005.png?1671527721)
Entropy | Free Full-Text | Exact Solution of a Time-Dependent Quantum Harmonic Oscillator with Two Frequency Jumps via the Lewis–Riesenfeld Dynamical Invariant Method
![Lanthanum nitrate as aqueous electrolyte additive for favourable zinc metal electrodeposition | Nature Communications Lanthanum nitrate as aqueous electrolyte additive for favourable zinc metal electrodeposition | Nature Communications](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41467-022-30939-8/MediaObjects/41467_2022_30939_Fig1_HTML.png)