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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 · 2020 · Paper I, General Studies · Q101 of 120

Geo-Scientist Prelims 2020 General Studies Q101: Which one of the following is NOT a unit of magnetic field strength?

QuestionPhysics / magnetism

Which one of the following is NOT a unit of magnetic field strength?

  1. (a) Tesla
  2. (b) Gauss
  3. (c) Ampere - metre
  4. (d) Ampere/metre

Answer: (c) Ampere - metre

Units of B: tesla (SI), gauss (CGS; 1 T = 10⁴ G). H (magnetising field) is in A/m. Ampere-metre (A·m) is the unit of pole strength, not field strength.

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