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Current Electricity question

2014 · Shift 2 · Q48
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Current Electricity question

2014 · Shift 2 · Q48

JEE AdvancedPhysicsCurrent ElectricityMCQ+3 / −1
During an experiment with a metre bridge, the galvanometer shall a null point when the jockey is pressed at 40.0 cm using a standard resistance of 90 Ω\OmegaΩ, as shown in the figure. The least count of the scale used in the meter bridge is 1 mm. The unknown resistance is JEE Advanced 2014 Paper 2 Offline Physics - Current Electricity Question 17 English
  1. A
    60 ±\pm± 0.15 Ω\OmegaΩ
  2. B
    135 ±\pm± 0.56 Ω\OmegaΩ
  3. C
    60 ±\pm± 0.25 Ω\OmegaΩ
  4. D
    135 ±\pm± 0.23 Ω\OmegaΩ
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