Physics
Physics, 05.02.2020 12:43, JimmySample7

Two 1.50-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 resistance of 0.240 ω, the other an internal resistance of 0.180 ω. when the switch is closed, a current of 600 ma occurs in the lamp. (a) what is the bulb's resistance? ω (b) what fraction of the chemical energy transformed appears as internal energy in the batteries? %

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