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Electricity - ep06 - BKP | class 10 physics in hindi | NCERT cbse numericals summary / explanation Video Lecture

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FAQs on Electricity - ep06 - BKP - class 10 physics in hindi - NCERT cbse numericals summary / explanation Video Lecture

1. What is electricity?
Ans. Electricity is a form of energy resulting from the flow of electric charge. It is a fundamental part of our daily lives and is used for various purposes, including lighting, heating, and powering electronic devices.
2. How does electricity flow through a circuit?
Ans. Electricity flows through a circuit due to the movement of electrons. When a circuit is closed, the electrons flow from the negative terminal of the power source (e.g., battery) towards the positive terminal, creating a current. This flow of electrons is facilitated by conductive materials, such as wires.
3. What is the difference between AC and DC electricity?
Ans. AC (alternating current) and DC (direct current) are two types of electricity. AC constantly changes its direction, while DC flows in only one direction. AC is commonly used in household appliances and power grids, while DC is used in batteries and electronic devices like mobile phones.
4. How is electricity generated?
Ans. Electricity can be generated through various methods. The most common method is by using power plants that burn fossil fuels (such as coal or natural gas) to produce steam, which drives turbines connected to generators. Other methods include harnessing renewable sources like wind, solar, hydroelectric, and geothermal energy.
5. What are the units used to measure electricity?
Ans. Electricity is measured using various units. Some commonly used units include: - Volt (V): Measures electric potential or voltage. - Ampere (A): Measures electric current. - Watt (W): Measures power or rate of energy transfer. - Kilowatt-hour (kWh): Measures energy consumption over time and is commonly used in billing.
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