451UPPSC2007General ScienceEnglish
In a three-pin electrical plug longest pin should be connected to
Show answerAnswer & explanation
Correct option: A — Ground terminal
Free · past papers · answers included
General Science MCQ practice free online · page 46
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.
No sign-up10 per pageAnswers & explanations
- 452UPPSC2002General ScienceEnglish
In electric apparatus ‘Earth’ is used
Show answerAnswer & explanation
Correct option: C — For safety
- 453UPPSC2014General ScienceEnglish
The electric current does not flow between two properly connected charged bodies if they are having
Show answerAnswer & explanation
Correct option: D — Same potential
- 454UPPSC2015General ScienceEnglish
Which element is the best conductor of electricity?
Show answerAnswer & explanation
Correct option: A — Silver
- 455HPSC2019General ScienceEnglish
A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?
Show answerAnswer & explanation
Correct option: C — It must have a low melting point
- 456BPSC1999General ScienceEnglish
Principle of fuse is
Show answerAnswer & explanation
Correct option: C — Heating effect of electricity
- 457UPPSC1993General ScienceEnglish
A fuse wire is characterized by
Show answerAnswer & explanation
Correct option: C — High resistance and low melting point
- 458RPSC1997General ScienceEnglish
Fuse wire used for safety of household have
Show answerAnswer & explanation
Correct option: D — Both (A) and (C)
- 459RPSC1999General ScienceEnglish
The filament of a halogen lamp is an alloy of
Show answerAnswer & explanation
Correct option: C — Tungsten and sodium
- 460UPSC1996General ScienceEnglish
Domestic electrical wiring is basically a
Show answerAnswer & explanation
Correct option: B — Parallel connection
General Science practice — common questions
Page 46 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".