When switch S in the figure is open, the voltmeter V of the battery reads $3\mathrm{.}11$ VV $.$ When the switch is closed, the voltmeter reading drops to $2\mathrm{.}93$ VV $,$ and the ammeter A reads $1\mathrm{.}68$ AA $.$ Assume that the two meters are ideal, so they do not affect the circuit.

Find the emf EE$.$

Express your answer in volts to three significant digits When switch $\backslash ($ S $\backslash )$ in the figure is open, the voltmeter V of the battery reads $3\mathrm{.}11$ V $.$ When the switch is closed, the voltmeter reading drops to $2\mathrm{.}93$ V $,$ and the ammeter A reads $1\mathrm{.}68$ A $.$ Assume that the two meters are ideal, so they do not affect the circuit. $($ Figure $1)$

Figure

Part A

Find the emf $\backslash (\backslash$mathcal$\{$E$\}\backslash ).$

Express your answer in volts to three significant digits.

Part B Complete previous part$($s$)$

Part C Complete previous part$($s$)$

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