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Alex777 [14]
3 years ago
9

State one difference between solar cells and solar heating systems?

Physics
2 answers:
steposvetlana [31]3 years ago
6 0
In a residential solar thermal system, called the Solar Heating System, the solar panels are of the Solar Thermal Collector type, which have the function of capturing the thermal energy of the solar radiation and transferring it to the water, heating it.
This water will be stored in a thermal reservoir, which will maintain its temperature until the moment of use.
The size of the reservoir and the area of solar thermal collectors (solar heating plates) required for the solar heating system vary according to the amount of hot water used in the residence.
This is simple to calculate after an interview with the residents, where the consumption profile will be studied according to the habits of bathing, washing utensils, clothes, etc.


In a residential solar photovoltaic generator system the solar panels are of the photovoltaic module type, consisting of photovoltaic solar cells that transform solar radiation into direct current electric energy.
For the operation of an on-grid photovoltaic solar system (connected to the grid) it is necessary to use a grid-tie inverter, which converts the energy generated into continuous currents by the photovoltaic solar panels into current electric energy Alternating.
The grid-tie inverter is then connected to the general picture of the residence, where it is in charge of mixing the solar energy (already in alternating current) with the power of the public network, allowing to use it in any apparatus or electrical equipment.
seropon [69]3 years ago
4 0
Solar photovoltaic cells, or solar panels, are arrays of silicon cells that can transforms light radiation into electricity. Solar heating system absorbs the heat from the sun and either transform it into electricity through s generator or uses the energy to heat homes and water.
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What's the momentum (in kg-m/s) of a cannonball with a mass of 21 moving with a velocity of 25 m/s?
lbvjy [14]
P=mv
P=21*25=525 kg*m/s
8 0
3 years ago
Name two kinds of longitudinal waves and explain how you know they are longitudinal
jasenka [17]
First of all Longitudinal waves is a matter in the medium that moves parallel to the direction of the wave travels. 
1st example: sound travels parallel.
2nd example: when you talk you will here your voice again. because all the frequency bounce back to you.

In the other hand Transverse wave matter in the medium moves perpendicular to direction the wave travels.
For example: light is a good example of transverse wave.
6 0
3 years ago
THE PROBLEM!
Elodia [21]

Answer: 15.29

Explanation: there you go have a nice day (*^p^*)

3 0
3 years ago
5. What happens to the inductor current as time passes? 6. What happened to the inductor current when the supply voltage was tri
lawyer [7]

Answer:

i ran out of time

Explanation:

6 0
3 years ago
Atmospheric conditions near a mountain range are such that a cloud at an altitude of 2.00 km contains 3.20 ✕ 10^7 kg of water va
kykrilka [37]

Answer:

time required is 6.72 years

Explanation:

Given data

mass m = 3.20 ✕ 10^7 kg

height h = 2.00 km = 2 × 10^3 m

power p = 2.96 kW  =2.96 × 10^3 J/s

to find out

time period

solution

we know work is mass × gravity force × height

and power is work / time

so we say that power =  mass  gravity force × height / time

now put all value and find time period

power =  mass × gravity force × height / time

2.96 × 10^3 =  3.20 ✕ 10^7  × 9.81× 2 × 10^3  / time

time =  62.784 × 10^10 / 2.96 × 10^3

time = 21.21081081 × 10^7 sec

time = 58.91891892 × 10^3 hours

time = 6.72 years

so time required is 6.72 years

3 0
3 years ago
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