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AP EAMCET202420 May 2024Morning ShiftPhysicsCurrent ElectricityActual

The value of shunt resistance, that allows only 10 % of main current through the galvanometer of resistance 99 is

Options

  1. A9
  2. B4
  3. C2
  4. D11

Correct answer

D. 11

Step-by-step solution

G =99 , I _ g = 1 10 From figure, I _ g G = ( I - I _ g ) S S = ( I _ g I - I _ g ) G = I 10 I - I 10 99=11

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