Products related to Efficiency:
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Inflatable Solar System
Ideal for teaching the position, order, size and shape of the planets and Sun.This inflatable Solar System set contains 900mm Sun, 550mm Jupiter, 450mm Saturn with rings, 350mm Neptune, 350mm Uranus, 300mm Venus, 300mm Earth, 250mm Mars, 250mm
Price: 52.63 £ | Shipping*: 0.00 £ -
Our Solar System
Whizz around the solar system with this set of thick rubber backed non-slip mats.Set out the planets and have the children jump from one to the next as they explore and discuss the mysteries of outer space.This 10 piece set includes 8 planets, the
Price: 101.18 £ | Shipping*: 0.00 £ -
Solar System Wall Hanging
Fabric wall hanging with Solar System pieces to stick onto it. Helps to teach the Solar System with ease. Ideal for Year 5.Guaranteed 5 years.Made in the UK.Size L1320 x W520 x D10mm.
Price: 85.68 £ | Shipping*: 0.00 £ -
Solar System Activity Mat
The Solar System table-top activity mat is a great tool for teaching visual learners the order of the planets in our solar system.Includes full instructions.
Price: 20.09 £ | Shipping*: 7.19 £
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Is solar energy renewable?
Yes, solar energy is renewable because it is derived from the sun, which is a virtually limitless source of energy. The sun's energy is constantly being replenished and will continue to do so for billions of years. This makes solar energy a sustainable and renewable source of power that can be harnessed for electricity generation and other applications.
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How does the efficiency of solar cells differ?
The efficiency of solar cells can differ based on the type of technology used. For example, traditional silicon-based solar cells typically have an efficiency of around 15-20%, while newer, more advanced technologies such as thin-film solar cells or multi-junction solar cells can achieve efficiencies of 20-30% or even higher. Additionally, the efficiency of solar cells can also be influenced by factors such as the quality of materials used, the design of the cell, and the environmental conditions in which they operate. Overall, the efficiency of solar cells can vary widely depending on these factors, with some technologies being more efficient than others.
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What is the deal with the solar cell efficiency when buying a solar module?
When buying a solar module, the solar cell efficiency is an important factor to consider. Solar cell efficiency refers to the amount of sunlight that a solar cell can convert into electricity. Higher efficiency solar cells will produce more electricity for the same amount of sunlight, leading to greater energy production from the solar module. While higher efficiency solar modules may come with a higher upfront cost, they can ultimately provide a better return on investment by generating more electricity over the lifetime of the system. Therefore, it's important to weigh the upfront cost against the long-term energy production when considering the solar cell efficiency of a solar module.
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Who pays for the mandatory installation of solar panels?
The mandatory installation of solar panels is typically paid for by the property owner or developer. In some cases, government incentives or rebates may be available to help offset the cost of installation. However, ultimately the responsibility for paying for the installation of solar panels falls on the individual or entity that owns the property where the panels are being installed.
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Wooden Solar System Discs
Smooth and tactile plywood discs, colour printed on one side with beautiful clear photo realistic illustrations of our sun, Mercury, Venus, Earth, our moon, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. The reverse is clearly printed with the
Price: 42.86 £ | Shipping*: 7.19 £ -
Giant Magnetic Solar System
Full colour, realistically detailed magnets to capture students attention when demonstrating Solar System concepts. Ideal for a magnetic white board.Includes 8 planets, Pluto dwarf planet, Sun, Earths moon, asteroid belt and activity guide.Largest
Price: 29.51 £ | Shipping*: 7.19 £ -
Office Pocket Calculator 8 Key Display Solar and Battery Power
This Office pocket calculator is ideal for office workers or students. Its basic functions will help you work out simple calculations, and its dual solarbattery power means that this calculator will not waste battery power when there is enough light
Price: 3.34 £ | Shipping*: 7.19 £ -
Texet Fx1500 Solar Scientific Calculator
56 functionsLarge 10 digit displayDual PoweredEasy to use plastic keysProtective clip on cover
Price: 13.78 £ | Shipping*: 7.19 £
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What is energy efficiency?
Energy efficiency refers to using less energy to perform the same task or function, ultimately reducing energy waste and lowering energy costs. This can be achieved through various methods such as using energy-efficient appliances, improving insulation in buildings, and implementing energy-saving practices in industrial processes. Energy efficiency is an important aspect of sustainable development and can help reduce greenhouse gas emissions and mitigate the impact of climate change. By improving energy efficiency, we can conserve natural resources and create a more sustainable and environmentally friendly energy system.
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What are solar panels?
Solar panels are devices that convert sunlight into electricity. They are made up of photovoltaic cells that capture the sun's energy and convert it into usable electricity. Solar panels are typically installed on rooftops or in open areas where they can receive maximum sunlight exposure. They are a sustainable and renewable energy source that helps reduce reliance on fossil fuels and decrease carbon emissions.
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What should I consider when it comes to Solar Energy? Solar panels, batteries, and inverters.
When considering solar energy, it is important to assess your energy needs and consumption to determine the size and number of solar panels required. Additionally, you should consider the type and capacity of batteries needed to store excess energy generated by the solar panels for use during periods of low sunlight. Lastly, choosing the right inverter is crucial as it converts the direct current (DC) electricity produced by the solar panels into alternating current (AC) electricity that can be used to power your home. It is essential to ensure that all components are compatible and properly sized for optimal performance and efficiency.
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What is the efficiency of a 12V solar panel on cloudy days?
The efficiency of a 12V solar panel on cloudy days will be lower compared to sunny days. Cloud cover reduces the amount of sunlight reaching the solar panel, which in turn reduces its power output. The exact decrease in efficiency will depend on the thickness and type of cloud cover, as well as the specific characteristics of the solar panel. Generally, it is estimated that solar panels can operate at about 10-25% of their rated capacity on cloudy days.
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