roaa200600 roaa200600

28-12-2020
Physics

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A lamp is 10% efficient. How much electrical energy must be supplied to the lamp each second if it produces 20 J of light energy per second?

Respuesta :

snoopy72 snoopy72

28-12-2020

Answer:

200J

Explanation:

200J is 100%, 10% of 200J would be 20J

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