Determine what is the lamps resistance

Reference no: EM13650778

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?

Reference no: EM13650778

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