Question: Three identical light bulbs, marked A, B, and C, are connected in a circuit with a 120-volt battery and four switches (S1, S2, S3, and

Three identical light bulbs, marked A, B, and C, are connected in a circuit with a 120-volt battery and four switches (S1, S2, S3, and S4), as shown above. The picture shows that each switch is initially open. Switches 1, 3, and 4 are closed, but 2 is open. Each bulb has a resistance of 150 ohms. What is the total current supplied by the battery?

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