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Renewable Energy Sources - Sources of Energy Video Lecture - Class 10

FAQs on Renewable Energy Sources - Sources of Energy Video Lecture - Class 10

1. What are some examples of renewable energy sources?
Ans. Examples of renewable energy sources include solar power, wind power, hydropower, geothermal energy, and biomass. These sources of energy are considered renewable because they can be naturally replenished or are virtually inexhaustible.
2. How does solar power work?
Ans. Solar power works by converting sunlight into electricity through the use of solar panels. These panels contain photovoltaic cells that absorb sunlight and generate an electric current. This current can then be used to power various appliances and devices.
3. What are the advantages of renewable energy sources?
Ans. There are several advantages of renewable energy sources. Firstly, they are sustainable and do not deplete natural resources. Secondly, they produce minimal or no greenhouse gas emissions, helping reduce the impact of climate change. Additionally, they promote energy independence and can provide economic benefits through job creation and reduced reliance on fossil fuels.
4. Are renewable energy sources cost-effective?
Ans. The cost-effectiveness of renewable energy sources depends on various factors such as the location, technology used, and scale of implementation. While the initial investment for renewable energy systems can be high, the operational costs are generally lower compared to fossil fuel-based energy sources. Over time, advancements in technology and economies of scale have made renewable energy sources more affordable and competitive.
5. How can individuals contribute to the use of renewable energy sources?
Ans. Individuals can contribute to the use of renewable energy sources in several ways. They can install solar panels on their rooftops to generate electricity for their homes. They can also opt for energy-efficient appliances and reduce their overall energy consumption. Additionally, supporting policies and initiatives that promote renewable energy and advocating for its adoption can make a significant impact.
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