The switch in the circuit shown in FIGURE 23-54 is open initially. (a) Find the current in
Question:
The switch in the circuit shown in FIGURE 23-54 is open initially.
(a) Find the current in the circuit a long time after the switch is closed.
(b) Describe the behavior of the lightbulb from the time the switch is closed until the current reaches the value found in part (a).
(c) Now, suppose the switch is opened after having been closed for a long time. If the inductor is large, it is observed that the light flashes brightly and then burns out. Explain this behavior.
(d) Find the voltage across the lightbulb just before and just after the switch is opened.
Figure 23-54
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