4. There is an electric space heater that operates at 120 V. Two heating elements are used with resistances R₁ and R₂. They can be operated in parallel, series, or separately (i.e., there are 4 different possibilities). The highest power setting is 1500 W and the lowest is 300 W. What are the values of R₁ and R₂? What are the intermediate power settings?

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4. There is an electric space heater that operates at 120 V. Two heating elements are used with
resistances R₁ and R₂. They can be operated in parallel, series, or separately (i.e., there are 4
different possibilities). The highest power setting is 1500 W and the lowest is 300 W. What are
the values of R₁ and R₂? What are the intermediate power settings?
Transcribed Image Text:4. There is an electric space heater that operates at 120 V. Two heating elements are used with resistances R₁ and R₂. They can be operated in parallel, series, or separately (i.e., there are 4 different possibilities). The highest power setting is 1500 W and the lowest is 300 W. What are the values of R₁ and R₂? What are the intermediate power settings?
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