If you have a device that has an energy efficiency of 0.4 and you put in 100 units of energy, how many units of useful energy wi

Question

3 years ago

13

ll you get out of it?

2 answers:

PIT_PIT [208] · Answer 1 · 2022-06-02T19:50:39+03:00

7 0

<span>If its 0.4%, the answer will be 0.4

or else it will be 40. </span>

tamaranim1 [39] · Answer 2 · 2022-06-02T21:32:06+03:00

4 0

Answer:

40 units

Explanation:

efficiency, η = 0.4

Input Energy, Q1 = 100 units

Let output energy is Q2.

Efficiency is defined as the ratio of output energy to the input energy.

η = Q2 / Q1

Q2 = η x Q1

Q2 = 0.4 x 100 = 40 units