Physics-
General
Easy

Question

Consider the potentiometer circuit shown. The potentiometer wire is 600 cm long and having restance 15r At what distance from the point A should the jockey touch the wire to get zero deflection in the galvanometer?

  1. 450 cm    
  2. 320 cm    
  3. 420 cm    
  4. 360 cm    

The correct answer is: 320 cm

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