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MHT CET202016 Oct 2020Evening ShiftPhysicsCurrent ElectricityActual

In conversion of moving coil galvanometer into an ammeter of required range, the resistance of ammeter so formed is [ s = shunt and G = resistance of galvanometer ]

Options

  1. AS+G S G
  2. BS G S-G
  3. CS G S+G
  4. DS-G S G

Correct answer

C. S G S+G

Step-by-step solution

(D) array l 1 R = 1 G + 1 S = G+S G S R= G S G+S array

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