A three-way light bulb can produce 50w 100w or150 w at 120v


A three-way light bulb can produce 50W, 100W, or150 W, at 120V. Such a bulb contains two filaments that can be connected to the 120V individually or in parallel. (a) Explain how the connections to the two filaments are made to give each of the three wattages. (b) What should be the resistance of each filament?

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Physics: A three-way light bulb can produce 50w 100w or150 w at 120v
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