Two 1.50-v batteries with their positive terminals in thesame direction are inserted in
series into the barrel of a flashlight. one battery has an internalresistance of 0.255 ω , the other
an internal resistance of 0.153 ω .
when the switch isclosed, a current of 600 ma occurs in the lamp.
(a) what is the lamp’s resistance?
(b) what fraction ofthe chemical energy transformed appears as internal energy in the batteries?
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Two 1.50-v batteries with their positive terminals in thesame direction are inserted in
series...
series...
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