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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 · 2022 · Paper I, General Studies · Q91 of 120

Geo-Scientist Prelims 2022 General Studies Q91: With reference to the electron drift speed in a current-carrying…

QuestionCurrent electricity / drift velocity

With reference to the electron drift speed in a current-carrying conductor, which one of the following statements is correct?

  1. (a) It is much more than the average electron speed.
  2. (b) It is much lesser than the average electron speed.
  3. (c) It is very close to the average electron speed.
  4. (d) It is close to the speed of light.

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