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$5.00 Two 2.60 V- batteries with their positive terminals in the same direction are inserted in series

Found in Physics: Electronics
Chapter 1, # 0
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nehavp
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Q:

Two 2.60 V- batteries with their positive terminals in the same direction are inserted in series into the barrel of a flashlight. one battery has an internal resitance of 0.228 ohm, the other an internal resistance of 0.162 ohm. When the switch is closedm a current of 0.700 A passes through the lamp.

a.) What is the lamp's resistance?

b.)What fraction of the powerdissipated is dissipated in the bateries?

 

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Two 2.60 V- batteries with their positive terminals in the same direction are inserted in series
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  • Posted on Jan. 06, 2012 at 03:47:15AM
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