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Solar Power

Solar power is the conversion of solar energy into electricity or thermal energy, either by indirectly using concentrated solar power or directly using photovoltaics – the use of solar panels which consist of various cells made of photovoltaic material.

3,946 Questions

What is the use of the glass lid in the solar cooker?

When sunlight falls over the solar cooker top, the sun rays pass through the glass sheet cover and get absorbed inside the cooker box.

This glass sheet covers does not allow the solar energy to flow out in the form of radiant heat.Thus it traps more and more heat rays of the sun thereby producing green house effect.That is why glass lid is used in the solar cooker.

What country leads in installed solar power capacity?

China leads in installed solar power capacity, followed by the United States, Japan, and Germany. China's significant investment in solar energy technology has allowed it to become the global leader in this renewable energy source.

Why everyone does not use solar panels?

the use of solar panels is limited to cost per kWh of electricity and cost of energy storage.

Solar panels of the size 1 kW can produce at most 25% of installed capacity since we only have effective sunlight at most 6 hr per day. It is suit for peak demand reduction over day time, hence, good for grid connect only. Energy storage in battery is a proved cost ineffective since battery life is limited to about 4 years.

Renewable energy of the future should be base on biomass, hydropower and nuclear when necessary. The solar panels should be use as intermittent power source in combined with wind power.

Why are solar solar panels rectangle?

Most solar panels are rectangular in shape. The main reason for this is to be able to get the best use of an area. There are solar panels that are in other shapes also. They don't have to be rectangular to work.

Why can't solar panel work at night?

Solar panels require sunlight to generate electricity through the photovoltaic effect. At night, there is no sunlight available to provide energy to the solar panels, so they cannot generate electricity. Solar panels are designed to work during the day when the sun is shining.

How do you remove hayabusa panels?

To remove the panels on a Hayabusa motorcycle, locate the mounting bolts that hold the panels in place and use the appropriate tools to unscrew them. Gently pull the panel away from the bike to release it from the mounting points. Be careful not to force the panel or damage any clips or tabs that secure it.

Imagine that you and a team of scientists are studying how energy is transfered in loops of energy extremely different temperatures within the sun which layer of the sun should you study?

You should study the layer of the sun known as the radiative zone. In this layer, energy is transferred mainly through radiation as opposed to convection. This is where energy generated in the core is slowly transfered outward towards the convective zone and ultimately towards the sun's surface.

Why is solar energy an abundant renewable energy source?

Solar energy is abundant because the sun continually emits vast amounts of energy, which can be harnessed through solar panels to generate electricity. It is renewable because sunlight is inexhaustible and available in abundance, making it a sustainable energy source for the long term without depletion.

How does a solar oven keep its heat?

well its all has tin/glass surrounding it and a center in the middle where it is focusing the heat --- NOTICE--- that if you want it to be all solar power then you dont use a lamp but either way it will still work. P.S. i did it for a science project

What country has the maximum usage of solar energy?

These are the results for 2015:

  1. China: 43,530 MW (22.0%)
  2. Germany: 39,700 MW (20.0%)
  3. Japan: 34,410 MW (17.4%)
  4. United States: 25,620 MW (12.9%)
  5. Italy: 18,920 MW (9.6%)
  6. India: 10,000 MW (5.1%)
  7. United Kingdom: 8,780 MW (4.4%)
  8. France: 6,580 MW (3.3%)
  9. Spain: 5,400 MW (2.7%)
  10. Australia: 5,070 MW (2.6%)

What does it mean when a solar panel has 14.3 percent efficiency.Isn't that a bad thing?

An efficiency of 14.3 percent means that the solar panel converts 14.3 percent of the sunlight it receives into electricity. While it may seem low compared to some newer panels that reach over 20 percent efficiency, 14.3 percent is still considered reasonable and can be cost-effective depending on the specific application and cost of the panels.

How are solar panels measured in size?

Solar panels are typically measured in terms of their wattage capacity, which is the amount of electricity they can generate under standard test conditions. This is usually expressed in watts (W) or kilowatts (kW). The physical dimensions of a solar panel are also commonly measured in terms of length and width, with the most common residential panels being around 65 inches by 39 inches.

How do solar powered space probes work?

Solar powered space probes use solar panels to capture energy from sunlight and convert it into electricity. This electricity powers the probe's instruments, communication systems, and propulsion mechanisms. The solar panels are typically positioned to face the Sun to maximize energy collection as the probe travels through space.

What is an eclispse?

An eclipse is when three items in space are in a line.

So on earth there is an eclipse when it is furthest away and then is moon and then is sun - so moon is in the middle and is blocking out the sun.

If on moon there is eclipse when earth is in front of sun.

Or on other planets and their moons, and so on.

Has anyone invented a solar powered toaster?

Yes, there have been prototypes and designs for solar powered toasters. These toasters typically use solar panels to convert sunlight into electricity to power the heating elements. However, widespread commercial availability of solar powered toasters may be limited.

Can you get a sun tan through a window double glazing?

Yes, you can get a sun tan through a window with double glazing since ultraviolet (UV) rays can still penetrate glass. However, the amount of UVB rays that can penetrate through windows is significantly reduced, which may result in a less intense tan compared to direct sunlight exposure outside. It is still important to practice sun safety and use sunscreen to protect your skin from harmful UV rays.

How does a rooftop sunlight collector work?

A rooftop sunlight collector typically consists of solar panels that convert sunlight into electricity using photovoltaic cells. These cells absorb photons from the sunlight, which then generate an electric current through the photovoltaic effect. This electricity can then be used to power a building or stored in batteries for later use.

Total energy given off by the sun?

Experts at the National Aeronautics and Space Administration (NASA) estimate that "the total energy radiated [by the sun] is 383 billion trillion kilowatts, which is equivalent to the energy generated by 100 billion tons of TNT exploding each second" (NASA Office of Space Science, "Solar System Exploration," Internet, https://www.lds.org/general-conference/2003/04/the-unspeakable-gift?lang=eng)

How does a solar panel use light?

A solar panel uses light energy from the sun to generate electricity through the photovoltaic effect. This effect occurs when photons from sunlight strike the solar panel's photovoltaic cells, causing the cells to release electrons, which creates an electric current.

What is problem that is likely to arise using solar time?

The problem that is likely to arise using solar time is that the time is going to be all over the place. For example in Boston it is going to be 4 something and then in New York it is going to be only 17 minuts later. So that complicated the time. That is why time zones are better.

How do solar reflectors improve the efficiency of solar collectors?

Solar reflectors help improve the efficiency of solar collectors by redirecting sunlight onto the collector surface, increasing the amount of solar energy absorbed. This additional concentration of sunlight can enhance the heating or electricity generation capabilities of the solar collector, ultimately leading to a higher energy output.

How many solar sistems are there?

In the observable UNiverse there are somewhere in the order of 1011 galaxies, a typical galaxy might have 1011 stars, and it seems likely that most stars have planets and would therefore qualify as "solar systems". That makes for a total of roughly 1022 stars or solar systems (that is a one, followed by 22 zeroes), just in the observable Universe. Note that the total Universe is probably much larger, but it isn't currently know how much larger. All of the above are rough estimates, of course.

Why didn't the Voyager use solar energy?

Voyager spacecraft were too far away from the Sun to rely on solar energy. Instead, they used radioisotope thermoelectric generators (RTGs) to convert the heat generated by the decay of radioactive isotopes into electricity. This allowed Voyager to continue operating in the dark reaches of space where solar power would have been ineffective.

Which part of the sun's energy is responsible for drying clothes?

well you see, that the sun's heat drys your clothes when u hang it outside for them to dry the suns light has no affect for drying clothing as u see the sun is made up of hot gas if you go at least 1,000 miles away from the sun YOU WILL DIE because of suns heat so u will burn to death.

Sunspots are most numerous in the sun in solar maximum or solar minimum?

Sunspots are most numerous during solar maximum, which occurs approximately every 11 years. During solar minimum, the sun is less active and sunspot activity decreases.