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solong [7]
3 years ago
8

Which one of the following is NOT true about energy conversion devices? Group of answer choices Total Energy Input = Energy Diss

ipated to the surroundings Total Energy Input = Total Energy Output Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings Total Energy Input = Total Energy Output / Efficiency
Computers and Technology
1 answer:
ICE Princess25 [194]3 years ago
6 0

Answer:

Total Energy Input = Total Energy Output / Efficiency

Explanation:

The expression written above is not true about the energy conversion devices.The energy conversion devices convert energy from one form to another for of energy for example :- take a light bulb it converts electric energy to heat and light.There is no efficiency involved in the energy conversion devices.

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2 years ago
What is the wave speed of a wave that has a frequency of 100 Hz and a wavelength of 0.30m?
swat32

<u><em>Answer:</em></u>

<u><em>The speed is  </em></u>

<u><em>= </em></u>

<u><em>30 </em></u>

<u><em>m </em></u>

<u><em>s </em></u>

<u><em>− </em></u>

<u><em>1 </em></u>

<u><em> </em></u>

<u><em>Explanation: </em></u>

<u><em>The speed of a wave is given by </em></u>

<u><em> </em></u>

<u><em>speed </em></u>

<u><em>( </em></u>

<u><em>m </em></u>

<u><em>s </em></u>

<u><em>− </em></u>

<u><em>1 </em></u>

<u><em>) </em></u>

<u><em>= </em></u>

<u><em>frequency(Hz) </em></u>

<u><em>× </em></u>

<u><em>wavelength (m) </em></u>

<u><em> </em></u>

<u><em>The frequency is  </em></u>

<u><em>f </em></u>

<u><em>= </em></u>

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<u><em>H </em></u>

<u><em>z </em></u>

<u><em> </em></u>

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<u><em>λ </em></u>

<u><em>= </em></u>

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<u><em>m </em></u>

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<u><em> </em></u>

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<u><em>= </em></u>

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<u><em>f </em></u>

<u><em>= </em></u>

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<u><em>100 </em></u>

<u><em>= </em></u>

<u><em>30 </em></u>

<u><em>m </em></u>

<u><em>s </em></u>

<u><em>− </em></u>

<u><em>1 </em></u>

<u><em> </em></u>

<u><em></em></u>

<u><em></em></u>

<u><em></em></u>

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Computer hardware is the physical components that a computer system requires to function.

Have a gr8 day ahead ✌️

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