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Current Electricity question

2024 · 9 Apr · Shift 1 · Q62
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  5. /2024 · 9 Apr · Shift 1 · Q62

Current Electricity question

2024 · 9 Apr · Shift 1 · Q62

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1
A galvanometer has a coil of resistance 200Ω200 \Omega200Ω with a full scale deflection at 20μA20 \mu \mathrm{A}20μA. The value of resistance to be added to use it as an ammeter of range (0−20)mA(0-20) \mathrm{mA}(0−20)mA is :
  1. A
    0.40Ω0.40\Omega0.40Ω
  2. B
    0.10Ω0.10\Omega0.10Ω
  3. C
    0.20Ω0.20\Omega0.20Ω
  4. D
    0.50Ω0.50\Omega0.50Ω
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