2 years ago

How the LED (light emitting diode) works?

2 answers:

8 0

Answer:

<h3>LEDs (Light Emitting Diodes) convert electrical energy directly into light, delivering efficient light generation with little-wasted electricity.</h3>

igor_vitrenko [27]2 years ago

8 0

Https://www.explainthatstuff.com/diodes.html
This will give you your answer :)

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Technician A says that the most commonly used combustion chamber types include hemispherical, and wedge. Technician B says that

Inessa05 [86]

Answer:

Technician A and Technician B both are correct.

Explanation:

Technician A accurately notes that perhaps the forms of combustion process most widely used are hemispherical and cross.

Technician B also correctly notes that in several cylinder heads, cooling system and greases gaps and pathways are found.

6 0

2 years ago

░░░░░░░░░░░░░░░░░░░▄▀▐░░░▌

allsm [11]

Answer:

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Explanation:

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2 years ago

For a fluid with a Prandtl Number of 1000.0, the hydrodynamic layer is thinner than the thermal boundary layers. a) True b) Fals

kvv77 [185]

Answer:

(b)False

Explanation:

Given:

Prandtl number(Pr) =1000.

We know that $Pr=\dfrac{\nu }{\alpha }$

Where $\nu$ is the molecular diffusivity of momentum

$\alpha$ is the molecular diffusivity of heat.

Prandtl number(Pr) can also be defined as

$Pr=\left (\dfrac{\delta }{\delta _t}\right )^3$

Where $\delta$ is the hydrodynamic boundary layer thickness and $\delta_t$ is the thermal boundary layer thickness.

So if Pr>1 then hydrodynamic boundary layer thickness will be greater than thermal boundary layer thickness.

In given question Pr>1 so hydrodynamic boundary layer thickness will be greater than thermal boundary layer thickness.

So hydrodynamic layer will be thicker than the thermal boundary layer.

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3 years ago

Reagen pembatas adalah

kow [346]

I don’t know what you mean by that

5 0

2 years ago

Which is the main material in a solar cell?

quester [9]

Crystalline silicon
hope this helps!! <3

5 0

2 years ago

How the LED (light emitting diode) works?​

How the LED (light emitting diode) works?