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Current Electricity question

2016 · 9 Apr · Shift 1 · Q57
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Current Electricity question

2016 · 9 Apr · Shift 1 · Q57

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1
A 50 Ω\OmegaΩ resistance is connected to a battery of 5 V. A galvanometer of resistance 100 Ω\OmegaΩ is to be used as an ammeter to measure current through the resistance, for this a resistance rs is connected to the galvanometer. Which of the following connections should be employed if the measured current is within 1% of thecurrent without the ammeter in the circuit ?
  1. A
    rs = 0.5 Ω\OmegaΩ in parallel with the galvanometer
  2. B
    rs = 0.5 Ω\OmegaΩ in series with the galvanometer
  3. C
    rs = 1 Ω\OmegaΩ in series with galvanometer
  4. D
    rs =1 Ω\OmegaΩ in parallel with galvanometer
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