MCQ
In potentiometer a balance point is obtained, when
  • A
    The e.m.f. of the battery becomes equal to the e.m.f. of the experimental cell
  • The p.d. of the wire between the +ve end to jockey becomes equal to the e.m.f. of the experimental cell
  • C
    The p.d. of the wire between +ve point and jockey becomes equal to the e.m.f. of the battery
  • D
    The p.d. across the potentiometer wire becomes equal to the e.m.f. of the battery

Answer

Correct option: B.
The p.d. of the wire between the +ve end to jockey becomes equal to the e.m.f. of the experimental cell
(b)

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