Eight holiday lights are connected in parallel as shown in Fig. 1.a. If the set is connect...

Eight holiday lights are connected in parallel as shown in Fig. 1.

a. If the set is connected to a 120 V source, what is the current through each bulb if each bulb has an internal resistance of 1.8 kΩ?

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b. Determine the total resistance of the network.

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c. Find the current drain from the supply.

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d. What is the power delivered to each bulb?

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e. Using the results of part (d), find the power delivered by the source.

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f. If one bulb burns out (that is, the filament opens up), what is the effect on the remaining bulbs? What is the effect on the source current? Why?

FIG. 1