27. Resistors & DC Circuits
Power in Circuits
5:13 minutes
Problem 25a
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. ((b) If the batteries last for 5.0 h, what is the total energy delivered to the bulb?
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