2504 Electromotive Force and Circuits

Exercises

25.27 An ideal voltmeter $V$ is connected to a $2.0 \Omega$ resistor and a battery with emf $5.0 V$ and internal resistance $0.5 \Omega$ as showin in Fig.E 25.27. (a) What is the current in the $2.0 \Omega$ resistor? (b) What is the terminal voltage of the batter? (C) What is the reading on the voltmeter? Explain your answers.