A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200
Question:
A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 Ω in series with a 1.53-V carbon-zinc dry cell having a 0.100-Ω internal resistance. The load resistance is 10.0Ω.
(a) Draw a circuit diagram of the toy and its batteries.
(b) What current flows?
(c) How much power is supplied to the load?
(d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?
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Solution a Circuit Diagram The circuit can be represented as follows Three 158 V alkaline cells with ...View the full answer
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