An enterprising young man travels to Europe carrying three lightbulbs he had purchased in North America. The lightbulbs he has are a 100 watt lightbulb, a 60 watt lightbulb, and a 40 watt lightbulb. Each lightbulb is rated at 110 volts. He wishes to connect these to a 220 volt system that is found in Europe. For reasons we are not sure of, he connects the 40 watt lightbulb in series with a parallel combination of the 60 watt lightbulb and the 100 watt lightbulb as shown Fig. 2.123. How much power is actually being delivered to each lightbulb? What does he see when he first turns on the lightbulbs?
Is there a better way to connect these lightbulbs in order to have them work more effectively?
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