Consider the circuit shown in Figure 2145, in which three
Chapter 21, Problem 92(choose chapter or problem)
Consider the circuit shown in Figure 2145, in which three lights, each with a resistance R, are connected in series. The circuit also contains an open switch. (a) When the switch is closed, does the intensity of light 2 increase, decrease, or stay the same? Explain. (b) Do the intensities of lights 1 and 3 increase, decrease, or stay the same when the switch is closed? Explain.
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