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Consider the circuit shown. Galvanometer resistance is 10 Wand current through galvanometer is 3 mA. Find the resistance of shunt.

 

Option 1 -

10–3Ω

Option 2 -

7.5 * 10–3Ω

Option 3 -

6.75 * 10–3Ω  

Option 4 -

3.75 * 10–3Ω

0 1 View | Posted 3 days ago
Asked by Shiksha User

  • 1 Answer

  • Correct Option - 4


    Detailed Solution:

    Since Gand S are in parallel

    -> VG = VS

    ->3mA * 10 = 8A * RS

    ->RS = 3.75mW

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