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NEET2008PhysicsCurrent ElectricityActual

A cell can be balanced against 110 ~cm and 100 ~cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 . Its internal resistance is

Options

  1. AZero
  2. B1.0 ohm
  3. C0.5 ohm
  4. D2.0 ohm

Correct answer

B. 1.0 ohm

Step-by-step solution

Internal resistance = ( 110 100 -1 ) 10

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