491UKPSC2006General ScienceEnglish
The newly discovered high temperature super conductors are
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Correct option: C — Ceramic oxides
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General Science MCQ practice free online · page 50
Questions from RRB, NTPC, Group D and JE past papers. Tap an option to check it instantly — every question shows the correct answer, and most carry the explanation the paper gave.
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- 492BPSC1994General ScienceEnglish
The characteristic of super conductor is
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Correct option: C — Zero permeability
- 493UPPSC2000General ScienceEnglish
At which temperature superconductivity can be of tremendous economic interest saving billions of rupees?
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Correct option: C — At room temperature
- 494RPSC1999General ScienceEnglish
The conductivity of a semiconductor at zero degree Kelvin is
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Correct option: D — Zero
- 495UPPSC2015General ScienceEnglish
The resistance of a semi-conductor on heating
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Correct option: B — Decreases
- 496UKPSC2016General ScienceEnglish
Electric conduction in a semiconductor takes place due to
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Correct option: C — Both electrons and holes
- 497RPSC1992General ScienceEnglish
At absolute zero temperature, the electric resistance in semiconductor is
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Correct option: A — Infinite
- 498Goa PSC2016General ScienceEnglish
Which one of the following metals is used as semi-conductor in transistors?
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Correct option: B — Germanium
- 499UPPSC2015General ScienceEnglish
The most commonly used material for making transistors is
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Correct option: B — Silicon
- 500UPPSC2016General ScienceEnglish
Which one of the following is an important component of a transistor?
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Correct option: B — Germanium
General Science practice — common questions
Page 50 of this set has 10 questions on it.
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Where do these General Science MCQs come from?
They are taken from official past papers of Indian government recruitment exams such as RRB NTPC, RRB Group D and RRB JE, and each question keeps a reference to the exam it appeared in.
Are the questions available in Hindi?
Yes. Many papers are set in both languages, so a large share of these questions are available in Hindi. Use the language filter at the top of the page.
Do the questions show answers and explanations?
Every question shows the correct option. Where the source paper included a worked solution, the explanation is shown under "Show answer".