Consider the circuit shown in FIGURE 21-57, in which three lights, each with a resistance R, are
Question:
Consider the circuit shown in FIGURE 21-57, in which three lights, each with a resistance R, are connected in parallel. The circuit also contains an open switch.
(a) When the switch is closed, does the intensity of light 3 increase, decrease, or stay the same?
Explain.
(b) Do the intensities of lights 1 and 2 increase, decrease, or stay the same when the switch is closed? Explain.
Figure 21-57,
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