Physics, 03.03.2021 15:20 ShundaBaker

Lamp A receives 100 J of energy and transfers 12 J of useful energy by light. Lamp B receives 50 J of energy and transfers 8 J of useful energy by light. Which lamp is more efficient?

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Lamp A receives 100 J of energy and transfers 12 J of useful energy by light. Lamp B receives 50 J o...

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