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Photovoltaic systems are especially useful because they generate electricity from sunlight, a renewable and abundant energy source. They have low maintenance requirements, produce no greenhouse gas emissions, and can be installed on various scales, from small residential systems to large utility-scale installations. Additionally, they can reduce energy costs for users and contribute to energy independence.
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Why is pulley useful?
A pulley is useful because it allows for the redirection of force and makes it easier to lift heavy objects by distributing the load over multiple ropes. It also can change the direction of the force applied to move an object. Pulleys are commonly used in various systems such as elevators, construction equipment, and exercise machines.
How is water used to harness the sun's energy?
Water can be used to harness the sun's energy through solar thermal systems. In these systems, sunlight is used to heat water, which creates steam to drive turbines and generate electricity in power plants. Additionally, water can be used in photovoltaic systems to cool solar panels, improving their efficiency and productivity.
What is the difference between photovoltaic cells and solar heating panels?
Photovoltaic cells convert sunlight directly into electricity using semiconducting materials, while solar heating panels use the sun's energy to heat water or air for domestic or commercial use. Photovoltaic cells generate electricity for powering electronic devices or feeding into the grid, whereas solar heating panels provide hot water for residential or commercial use.
What lens is thick in the middle and thin at the edge?
A converging lens or a convex lens is thick in the middle and thin at the edges. It causes light rays to converge at a focal point, which makes it useful for focusing light in optical systems like cameras and telescopes.
How do solar panels turn the sun's rays into electricity?
Solar panels contain photovoltaic cells that capture sunlight and convert it into electricity through the photovoltaic effect. When sunlight hits the cells, it excites electrons, causing them to flow and generate an electric current. This electricity can then be used to power homes and businesses.
Which makes photovoltaic systems especially useful?
They generate electricity......
Is Photovoltaic a fossil fuel?
I think you got your concepts wrong there... Fossil fuels include coal, oil and natural gas ONLY. Renewable energy resources include SOLAR POWER, which makes use of PHOTOVOLTAIC CELLS to convert light energy into electrical energy using certain metallic compounds which include cadmium telluride. Therefore, photovoltaic cells are a part of solar-powered systems which provide a renewable energy source for electricity. :)
How are photovoltaic solar cells environmentally friendly products?
Photovoltaic solar cells produce electricity using solar power. Since their energy comes from the sun, they do not produce any pollution. This makes them environmentally friendly.
What is the wavelength of selenium?
The wavelength of selenium typically refers to the wavelength of light emitted by selenium when it is excited. Selenium emits light in the red part of the spectrum with a wavelength around 600-700 nanometers. This characteristic makes selenium useful in applications like photocopiers and photovoltaic cells.
What makes sedimentary rocks especially useful to scientists and historians?
Sedimentary rock are made of materials that could show what lived where. Also they are the only rock to hold fossils.
Why are contours useful?
Why is any car useful? Your question makes no sense.
What makes ammonia useful to us?
Ammonia is useful to us because it is widely used as a cleaning agent and in the production of various chemicals, fertilizers, and pharmaceuticals. It is also used in refrigeration systems and as a household cleaner for its ability to effectively cut through grease and grime.
Why is soap useful?
It makes you clean and it makes you smell good.
What do materials have that makes them useful?
S
What makes maerials useful?
Their properties
What makes the hardness of a diamond useful?
Most diamonds are used in industry and not in jewelry. Their hardness makes diamond useful as a cutting tool.
What makes a climate graph useful?
There are a few different things that will make a climate graph more useful. Having data for a long period of time makes this graph very useful.
