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Lesechka [4]
2 years ago
5

Look at the Sankey diagram for an energy saving light bulb below. What is the bulb's efficiency?

Physics
1 answer:
lara [203]2 years ago
5 0

It depends on what you're using this lightbulb for.

If you're using it to illuminate your walk-in closet, then it's 75% efficient.

If you're using it to warm the basket where the newborn kittens are, then it's only 25% efficient.

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