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Mindmap: Electricity | Science Class 10

The document Mindmap: Electricity | Science Class 10 is a part of the Class 10 Course Science Class 10.
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FAQs on Mindmap: Electricity - Science Class 10

1. What is electricity?
Ans. Electricity is the flow of electric charge through a conductor. It is a form of energy that is used to power various devices and systems.
2. How is electricity generated?
Ans. Electricity can be generated in several ways. One common method is through the use of power plants that burn fossil fuels, such as coal or natural gas, to produce steam that drives turbines connected to generators. Other methods include harnessing the energy of flowing water in hydroelectric power plants, capturing the energy of wind in wind turbines, and utilizing the heat from nuclear reactions in nuclear power plants.
3. What are the different types of electric current?
Ans. There are two main types of electric current: direct current (DC) and alternating current (AC). DC flows in one direction only, commonly used in batteries and electronic devices. AC periodically changes direction, commonly used in homes and businesses for powering appliances and lighting.
4. How is electricity transmitted and distributed?
Ans. Electricity is transmitted at high voltages over long distances through power lines, typically using AC. This high-voltage transmission reduces energy losses during transport. At substations, the voltage is then stepped down to lower levels and distributed through a network of power lines to homes, businesses, and other consumers.
5. What are some safety precautions to take when dealing with electricity?
Ans. When dealing with electricity, it is important to take several safety precautions. These include avoiding contact with live electrical wires, using insulated tools, wearing protective gear, such as gloves and goggles, turning off power before working on electrical circuits, and ensuring that electrical systems are installed and maintained by qualified professionals. It is also crucial to be aware of and follow electrical codes and regulations to prevent electrical hazards.
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