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F a light bulb produces 60.0 J of electrical energy and is 45% efficient, how much energy does it use? a)133 J b)1.33 J c)0.75 J d)2700 J
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F a light bulb produces 60.0 J of electrical energy and is 45% efficient, how much energy does it use?

a)133 J
b)1.33 J
c)0.75 J
d)2700 J

User Sensoray
by
7.9k points

2 Answers

3 votes

Answer:

133 j

Step-by-step explanation:

User Guillaume Fenollar
by
8.1k points
2 votes
The answer is A
60 J = 45%
So meaning it wants to know all 100%
So it will be a little over 120 and the closest one is 133
(please don’t do what do!!)
User Avadhut Thorat
by
7.7k points
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