How Does An Electric Cell Work

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SUMMARY

An electric cell operates by allowing charge to move through an external circuit rather than returning to the low potential inside the battery. This occurs because the external circuit provides a path of least resistance, while the internal processes, including diffusion and redox chemistry, present significantly higher resistance. Understanding this distinction is crucial for comprehending the efficiency and functionality of electric cells.

PREREQUISITES
  • Basic understanding of electric circuits
  • Familiarity with redox chemistry
  • Knowledge of charge movement in electrochemical cells
  • Concept of resistance in electrical systems
NEXT STEPS
  • Research the principles of electrochemistry in electric cells
  • Study the concept of resistance in circuits and its impact on charge flow
  • Learn about diffusion processes in electrochemical reactions
  • Explore the differences between internal and external circuit resistance
USEFUL FOR

Students of physics, electrical engineers, and anyone interested in the principles of electrochemistry and electric cell functionality.

dsi720
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Why doesn't charge move back to the low potential inside of the battery,why does it go through the circuit?
 
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It does. It just does it so much more slowly than it moves through the external circuit. The external circuit is the path of least resistance, and the diffusion and redox chemistry within the cell is a path of very high resistance (NOT cell resistance, so nobody even think about asking that question).
 

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