A student in a physics lab mistakenly wired a light bulb, battery, and switch as shown in
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A student in a physics lab mistakenly wired a light bulb, battery, and switch as shown in Figure 21.42. Explain why the bulb is on when the switch is open, and off when the switch is closed. (Do not try this—it is hard on the battery!)
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When the switch is open The circuit is not complete and the conventional path for electric cu...View the full answer
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