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Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Current Electricity

Olympiad workbook · NSEP · Current Electricity

In an experiment with potentiometer, the balancing length is 250 cm...

In an experiment with potentiometer, the balancing length is 250 cm for a cell. When the cell is shunted by a resistance of 7.5Ω7.5 \Omega, balancing point is shifted by 25 cm . If the cell is shunted by a resistance of 20Ω20 \Omega, the balancing length will be nearly

Options

  1. A240 cm
  2. B236 cm
  3. C232 cm
  4. D230 cm

Correct answer

A. 240 cm

Step-by-step solution

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