A power supply has an open-circuit voltage of 41.0 V and an internal resistance of 2.00...
A power supply has an open-circuit voltage of 41.0 V and an internal resistance of 2.00 Ω. It is used to charge two storage batteries connected in series, each having an emf of 7.00 V and internal resistance of 0.300 Ω. The charging current is to be 3.30 A.
(a) What additional resistance should be added in series?
Ω
(b) At what rate does the internal energy increase in the
supply?
W
(c) At what rate does the internal energy increase in the
batteries?
W
(d) At what rate does the internal energy increase in the added
series resistance?
W
(e) At what rate does the chemical energy increase in the
batteries?
W
Homework Answers
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A power supply has an open-circuit voltage of 41.0 V and an
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