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Uses of a potentiometer

What is the use of a potentiometer and could you explain its working (as level physics)

 

Asked Zoha

Answer:

The potentiometer is mainly used for,

  • To compare the emfs of two primary cells
  • To determine the internal resistance of a primary cell
  • To determine the value of a high resistance
  • To determine the emf of a cell.

pmThe details can be found here in NCERT Text book

 

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