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May 22, 2015

Homework Help: College Physics

Posted by Lanise on Saturday, February 6, 2010 at 10:40pm.

When switch S in the figure is open, the voltmeter V of the battery reads 3.13V . When the switch is closed, the voltmeter reading drops to 2.90V , and the ammeter A reads 1.70A. Assume that the two meters are ideal, so they do not affect the circuit.
emf= V
sorry I left out the V and the A earlier.

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