QUESTION

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A light bulb is attached to a DC battery as indicated in the diagram below. The light bulb is glowing and emitting light. Which is the best explanation for what happens to the electric current in the wires? The electricity flows through wire A from the battery to the light bulb, which uses up all the electricity. Wire B is not needed. The electric current flows around the circuit and none is removed by the light, so that the amount of current in the two wires is the same The electric current flows through one wire to the light where some of it is used up. The remaining electric current flows through the other wire back to the battery.

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