27. Resistors & DC Circuits
Power in Circuits
1:40 minutes
Problem 25b
Textbook Question
Textbook QuestionA typical small flashlight contains two batteries, each having an emf of 1.5 V, connected in series with a bulb having resistance 17 Ω. (a) If the internal resistance of the batteries is negligible, what power is delivered to the bulb?
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