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28-11-2020
Mathematics

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Q1. A fluorescent lamp takes in energy from the electricity supply at the rate of 18 joules each second. It gives out 3 joules of energy as light each second.
a. How much energy does the lamp give out each second?

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28-11-2020

Answer:

15 joules

Step-by-step explanation:

SUBTRACT 3 FROM 18

18 JOULES-3 JOULES=15 JOULES

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