Answer: Two wires connect a lightbulb to a battery,

Chapter 22, Problem 1

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Two wires connect a lightbulb to a battery, completing a circuitand causi ng the bulb to glow. Do the simple observationsand measurements that you can make on this circuit prove thatsomething is flowing through the wires? If so, state the observationsand/or measurements that are relevant and the steps bywhich you can then infer that something must be flowing. Ifnot, can you offer an alternative hypothesis about why the bulbglows that is at least plausible and that could be tested?

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