Efficiency of electric generator in the vacuum of space?

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SUMMARY

The discussion centers on the efficiency of electric generators in the vacuum of space, specifically regarding the concept of perpetual motion. It is established that once an electrical generator is set in motion, it does not generate 'free' energy indefinitely. The magnetic field's force will ultimately cause the wire to stop spinning, leading to a rapid decline in energy generation. This highlights the fundamental principles of thermodynamics and energy conservation that govern mechanical systems.

PREREQUISITES
  • Understanding of basic physics principles, particularly thermodynamics
  • Knowledge of electromagnetic theory and magnetic fields
  • Familiarity with electric generator mechanics
  • Concept of perpetual motion and its impossibility
NEXT STEPS
  • Research the laws of thermodynamics and their implications on energy systems
  • Study electromagnetic induction and its effects on generator efficiency
  • Explore the concept of perpetual motion machines and why they are unfeasible
  • Investigate real-world applications of electric generators in space missions
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Physicists, engineers, and students interested in energy systems, as well as anyone exploring the implications of electric generators in space environments.

snickers1
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I was just thinking that if you set something spinning in space it keeps turning, so does this mean once you started an electrical generator turning would you get ‘free’ energy?? Will the force from the magnetic field eventually case the wire to stop spinning?
 
Physics news on Phys.org
snickers1 said:
Will the force from the magnetic field eventually case the wire to stop spinning?
Yes, very quickly.
 

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