A student sets up the circuit shown. The switch $S$ is then closed. What does the voltmeter read?
- A$1.0\,\text{V}$
- B$3.0\,\text{V}$
- C$4.5\,\text{V}$
- D$6.0\,\text{V}$
Physics 5054 · O Level · Electromotive force and potential difference
A student sets up the circuit shown. The switch $S$ is then closed. What does the voltmeter read?