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Current Electricity question

2025 · 23 Jan · Shift 2 · Q70
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Current Electricity question

2025 · 23 Jan · Shift 2 · Q70

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1
A galvanometer having a coil of resistance 30Ω30 \Omega30Ω need 20 mA of current for full-scale deflection. If a maximum current of 3 A is to be measured using this galvanometer, the resistance of the shunt to be added to the galvanometer should be 30XΩ\frac{30}{X} \OmegaX30​Ω, where XXX is
  1. A
    447
  2. B
    298
  3. C
    149
  4. D
    596
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