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ARC-Challenge / Mercury_7171430 / Light bulbs vary in their ability to use electrical energy efficiently. Alicia…

Problem

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question

Light bulbs vary in their ability to use electrical energy efficiently. Alicia compared the amount of electrical energy needed to light an incandescent bulb and a fluorescent bulb. Which units would Alicia use to compare electrical energy usage?

choices

  • newtons
  • joules
  • volts
  • watts

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