Chapter 19 Measuring the EMF and Internal Resistance of a Battery Resources « pr

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Chapter 19 Measuring the EMF and Internal Resistance of a Battery Resources « previous | 8 of9 | nex Measuring the EMF and Internal Resistance of a Battery Part A Find the emf When switch S in the figure is open, the voltmeter V of the battery reads 3.05 V. When the switch is closed, the voltmeter reading drops to 2.97 V, and the ammeter A reads 1.66 A Assume that the two meters are ideal, so they do not affect the circuit. (Figure 1) Express your answer in volts to three significant digits. Submit My Answers Give Up Part B This question will be shown after you complete previous question(s) Part C Figure 1 of 1 This question will be shown after you complete previous question(s) ide Feedback Continue

Explanation / Answer

Electromotive force is a synonym for voltage.

here the answer is 3.05 V

(the voltage of the battery, ignoring internal resistance).

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