What is the current in a circuit with a 9.0 V battery and a resistance of 36.0 Ω?

Use Ohm’s law, I = V/R. Dividing the 9.0 V battery voltage by the 36.0 Ω resistance gives I = 9.0/36.0 = 0.25 A. The current is 0.25 A, choice A.

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