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What equation links efficiency, total power input and useful power output? Tick (✓) one box. Efficiency = Efficiency = useful power output total power input total power input us…

What equation links efficiency, total power input and useful power output? Tick (✓) one box. Efficiency = Efficiency = useful power output total power input total power input us…
asked 16.4k views
3 votes
What equation links efficiency, total power input and useful power output?

Tick (✓) one box.
Efficiency =
Efficiency =
useful power output
total power input
total power input
useful power output
Efficiency= useful power output x total power input
The tiles are used to power LED lights in the pavement.
An LED light has a total power input of 4.0 W.
The efficiency of the LED light is 0.85
Calculate the useful power output of the LED light.

What equation links efficiency, total power input and useful power output? Tick (✓) one-example-1
asked
User HeikoG
by
7.8k points

1 Answer

4 votes

Answer: Efficiency = (useful power out) ÷ (total power in)

Step-by-step explanation:

answered
User Xzin
by
7.4k points
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