441UPPSC2008General ScienceEnglish
Of the two bulbs in a house, one glows brighter than the other. In this context which of the following statements is correct?
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Correct option: D — The dim bulb has larger resistance
Free · past papers · answers included
General Science MCQ practice free online · page 45
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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- 442UPPSC2009General ScienceEnglish
A dynamo which is said to generate electricity actually acts as a
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Correct option: C — Converter of energy
- 443UPPSC2012General ScienceEnglish
Dynamo is a machine which is used for
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Correct option: C — Conversion of mechanical energy to electrical energy
- 444BPSC2000General ScienceEnglish
Turbines and Dyanamos are used to convert which energy to electrical energy?
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Correct option: C — Mechanical energy
- 445BPSC2005General ScienceEnglish
When electrical energy is converted into motion
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Correct option: A — There is no heat loss
- 446UPPSC2007General ScienceEnglish
A device which converts electrical energy into mechanical energy is
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Correct option: C — Electric motor
- 447RPSC2013General ScienceEnglish
A device which converts chemical energy into electrical energy is called
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Correct option: A — Battery
- 448UPPSC2008General ScienceEnglish
Electric motors operating at low voltages tend to burn out because
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Correct option: A — They draw more current which is inversely proportional to the voltage
- 449BPSC2000General ScienceEnglish
Which of the following metals is used as filament in lighting bulbs?
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Correct option: D — Tungsten
- 450Meghalaya PSC2018General ScienceEnglish
The temperature of the filament of lighted electric bulb is generally
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Correct option: C — 2000ºC to 2500ºC
General Science practice — common questions
Page 45 of this set has 10 questions on it.
Are these General Science questions free to practise?
Yes. Every question on this page is free and needs no account. Create a free account only if you want your progress saved.
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".