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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2026 · Paper I, General Studies · Q115 of 120

Geo-Scientist Prelims 2026 General Studies Q115: If the electric conductivity of the Earth's outer core is slightly…

QuestionPhysics / Geomagnetism

If the electric conductivity of the Earth's outer core is slightly decreased, then which one of the following is the most immediate effect?

  1. (a) Stronger geomagnetic field
  2. (b) Weaker geomagnetic field
  3. (c) Reversal of magnetic field
  4. (d) Disappearance of declination

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