When switch S in the figure (Figure 1)is open, the voltmeter Vof the battery reads...

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When switch S in the figure (Figure 1)is open, the voltmeter Vof the battery reads...

When switch S in the figure (Figure 1)is open, the voltmeter V of the battery reads 3.13 V . When the switch is closed, the voltmeter reading drops to 2.99 V , and the ammeter A reads 1.70 A . Assume that the two meters are ideal, so they don't affect the circuit.

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1) Find the emf.

2) Find the internal resistance of the battery.

3) Find the circuit resistance R.

science Advanced-Physics

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