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If a home requires 3000 watts of electrical power how many square feet of photovoltaic solar cells would you need to power it?
Photovoltaic cells are variable but a standard 1.6 square-metre (18 square feet) cell as used on roofs in the the UK is rated at 220 Watts. For 3 kW you would need 14 of them.
When installed and switched on in strong sunlight they would produce 3kW that is available to you to use, but, if you don't happen to use as much, the excess power goes back into the supply network, and the result is that your local power station will produce that much less electrical power. The boiler will be told (automatically) to throttle back and produce less steam, so it will consume fuel more slowly and send CO2 up the exhaust pipe at a lesser rate.
So your solar panels produce an immediate reduction in CO2 emissions, because the energy used in everyone's house has to be generated at the instant it is used.
What else can I help you with?
Can photovoltaic cells store energy?
Photovoltaic cells generate electricity when exposed to sunlight. They do not store energy themselves, but the electricity they produce can be stored in batteries or used immediately.
What is the scientific name for solar panels?
The scientific name for solar panels is photovoltaic cells or photovoltaic modules.
What do solar cells transfer sunlight directly into?
Solar cells transfer sunlight directly into electricity through the photovoltaic effect, where sunlight is converted into electrical energy by generating an electric current when photons hit the cell's semiconductor material.
What do PV cells convert radiant energy to?
PV cells convert radiant energy, such as sunlight, into electrical energy through the photovoltaic effect. This process involves the absorption of photons from the sunlight by the PV cell's semiconductor material, which generates an electric current.
Why are many cells wired together in a typical photovoltaic panel?
Multiple cells are connected in a photovoltaic panel to increase the voltage output and power generation capacity of the panel. By wiring cells together in series, the voltage adds up, while wiring cells in parallel increases the current. This configuration allows for higher efficiency and energy production from the panel.
What are the relationship between photovoltaic and radiant energy and electical energy?
Photovoltaic cells convert radiant energy from the sun into electrical energy through the photovoltaic effect. When sunlight hits the photovoltaic cell, it excites electrons in the material, creating a flow of electricity. Essentially, photovoltaic cells harness radiant energy to generate electrical energy.
What is the definition of photovoltaic solar cells?
Photovoltaic solar cells are devices that convert sunlight directly into electricity using the photovoltaic effect. They are typically made of silicon or other semiconductor materials and are used to generate clean, renewable energy in solar panels.
What do spacestations use for electrical power?
Hydrogen fuel cells and solar photovoltaic arrays.
How do you change suns energy to electrical energy?
We can change by using solar photovoltaic cells.
Can photovoltaic cells store energy?
Photovoltaic cells generate electricity when exposed to sunlight. They do not store energy themselves, but the electricity they produce can be stored in batteries or used immediately.
Can radiant energy produce electrical energy?
Yes, radiant energy can produce electrical energy through processes like photovoltaic and thermoelectric conversion. Photovoltaic cells convert sunlight directly into electrical energy, while thermoelectric generators use temperature differences to generate electricity.
What is the term of types of cells that convert the sun's energy into electrical energy by releasing electrons from Silicon?
Photovoltaic Cells (PV)
How does sun energy become electrical energy?
Solar energy is collected using solar panels made of photovoltaic cells. These cells convert sunlight into electricity through a process called the photovoltaic effect, where photons from the sunlight knock electrons loose from atoms to generate an electrical current. This electrical current is then converted into usable electricity for homes and businesses.
What changes light to electrical energy?
Photovoltaic cells, commonly known as solar cells, convert light energy into electrical energy through the photovoltaic effect. When photons from sunlight hit the cell, they knock electrons loose from atoms, generating an electric current.
What energy transformation occur in photovoltaic cells?
In photovoltaic cells, the energy transformation that occurs is the conversion of sunlight (solar energy) into electrical energy. This process involves the absorption of photons from the sunlight, which in turn generates an electric current through the photovoltaic material in the cell.
What is the relationship between photovoltaic - radiant energy and electrical energy?
Photovoltaic technology converts radiant energy from the sun into electrical energy through the use of photovoltaic cells. These cells absorb sunlight and generate a flow of electrons, creating an electric current that can be used as a source of electricity.
The part of solar panel that absorbs light and converts it into electrical energy?
The part of a solar panel that absorbs light and converts it into electrical energy is the photovoltaic cells, also known as solar cells. These cells are made of semiconductor materials that generate an electric current when exposed to sunlight through the photovoltaic effect.
