Power in circuits:
A car battery with a 12-V emf and an internal resistance of 0.050 Ω is being charged with a current of 60 A. Note that in this process, the battery is being charged.
(a) What is the potential difference across its terminals?
(b) At what rate is thermal energy being dissipated in the battery?
(c) At what rate is electric energy being converted into chemical energy?
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