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AP EAMCET2007PhysicsCurrent Electricity

In a metre bridge experiment, the ratio of the left gap resistance to right gap resistance is 2: 3 , the balance point from left is

Options

  1. A60 ~cm
  2. B50 ~cm
  3. C40 ~cm
  4. D20 ~cm

Correct answer

C. 40 ~cm

Step-by-step solution

Here, P Q = 2 3 We know aligned P Q & = l 100-l 2 3 & = l 100-l l & =40 ~cm aligned

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