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Two resistors of 5.0 and 9.0 Ω are connected in parallel. A 4.0-Ω resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination.
(a) What is the current through the 4.0-Ω resistor?
(b) What is the current through the 5.0-Ω resistor?
(c) What is the current through the 9.0-Ω resistor?
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