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Electricity - ep03 - BKP | class 10 physics in hindi | science chapter 12 | cbse boards numericals Video Lecture

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FAQs on Electricity - ep03 - BKP - class 10 physics in hindi - science chapter 12 - cbse boards numericals Video Lecture

1. What is electricity and how does it work?

Ans. Electricity is the flow of electric charge through a conductor. It is generated by the movement of electrons, which are negatively charged particles, from one atom to another. This flow of electrons creates an electric current. In simple terms, electricity works by the movement of charged particles.

2. How is electricity produced?

Ans. Electricity can be produced through various methods. One common method is by generating electricity through the use of power plants. These power plants use different sources of energy such as coal, natural gas, or nuclear reactions to generate steam. This steam then drives turbines, which are connected to generators that produce electricity. Other methods include solar panels, wind turbines, and hydroelectric power plants.

3. What is the difference between AC and DC electricity?

Ans. AC (Alternating Current) and DC (Direct Current) are two different types of electric currents. AC is the type of electricity that constantly changes its direction, while DC flows in only one direction. AC is commonly used in our homes and office buildings as it can be easily transmitted over long distances without much loss of energy. On the other hand, DC is commonly used in batteries, electronic devices, and car batteries.

4. What are the units used to measure electricity?

Ans. Electricity is measured using different units. The basic unit of electric charge is the Coulomb (C). The unit of electric current is the Ampere (A). Voltage is measured in Volts (V), and power is measured in Watts (W). Energy consumption is measured in Kilowatt-hours (KWh), which is commonly used on electricity bills.

5. How does electricity travel through wires?

Ans. Electricity travels through wires due to the movement of electrons. When a voltage is applied across a wire, it creates an electric field that pushes the free electrons in the wire. These free electrons then move from one atom to another, creating an electric current. The wires used for electricity transmission are made of materials with low resistance to minimize energy loss during transmission.

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Nov 16, 2024 Last updated

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