10th Science 2|Chapter No 5 Towards Green Energy |EASY TRICK TO LEARN WHOLE CHAPTER|Board Exam 2024

Giri Tutorials2 minutes read

Electricity generation processes include heating water to produce steam that drives a turbine connected to a generator, while nuclear fusion involves bombarding uranium-235 with neutrons to generate energy. Hydroelectric power stations rely on turbine rotation and water gate opening for electricity generation, with advantages including fuel-free operation and constant water availability.

Insights

  • The process of generating electricity in a nuclear reactor involves heating water to produce steam that drives a turbine connected to a generator, highlighting the reliance on thermal energy conversion for power generation.
  • Hydroelectric power stations utilize the transformation of water potential energy into kinetic energy through turbine rotation, offering advantages like fuel-free operation, continuous water supply, and automatic generation capability, but face challenges related to rehabilitation and environmental impact.

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Recent questions

  • How is electricity generated in a thermal power plant?

    By heating water to produce steam for turbines.

  • What is the process of nuclear fusion in a reactor?

    Bombarding uranium-235 with neutrons to produce energy.

  • What are the challenges associated with nuclear power?

    Disposal, radiation, and accidents.

  • How does a natural gas power plant generate electricity?

    By pressurizing natural gas in a combustion chamber.

  • What are the advantages of a hydroelectric power station?

    No fuel usage, constant water availability, automatic generation.

Related videos

Summary

00:00

Generating Electricity: Turbine, Steam, Nuclear Fusion

  • The lesson focuses on the concept of generating electricity through a turbine connected to a generator.
  • The process involves heating water to generate steam, which drives the turbine connected to the generator.
  • The steam is then converted back into water through a cooling process in a calling tower.
  • The diagram of a thermal power plant includes a turbine, generator, boiler, condor, and calling tower.
  • The process in a nuclear reactor involves heating water to produce steam that drives a turbine connected to a generator.
  • The steam is cooled back into water through a similar process in a calling tower.
  • Nuclear fusion in a reactor involves bombarding uranium-235 with neutrons to produce uranium-236, barium, krypton, and energy.
  • The chain reaction in nuclear fusion continues as uranium-236 is bombarded repeatedly.
  • Problems associated with nuclear power include disposal, radiation, and accidents.
  • The process in a natural gas power plant includes a combustion chamber where natural gas is pressurized to release gas for energy generation.

11:41

Generating Electricity: Gas, Water, Solar Power

  • Gas turbine and coil inside generator will cry when electricity is generated, compression chamber is crucial.
  • Combustion chamber requires natural gas and pressure for gas turbine to function.
  • Hydroelectric power station involves turbine rotation and generator connection to produce electricity.
  • Water gate opening leads to turbine rotation generating electricity, water potential energy transforms into kinetic energy.
  • Advantages of hydroelectric power station include no fuel usage, constant water availability, and automatic generation capability.
  • Rehabilitation and environmental impact are significant challenges of hydroelectric power stations.
  • Solar energy involves direct conversion of light energy into electrical energy through solar panels, no need for turbines or intermediate steps.
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