Which from the following is NOT a conductor?
Correct answer: D. All are conductors
- A. Aluminium
- B. Gold
- C. Graphite
- D. All are conductors
Explanation
Aluminium, gold and graphite can all conduct electricity, although graphite is a non-metal conductor. Therefore, none of the first three is the requested non-conductor, making “all are conductors” correct.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Technology and Energy
Technology and energy include simple machines, engines, generators, transformers, computers, communication systems, satellites and common electronic devices. Coverage compares fossil fuels, hydroelectricity, solar, wind, geothermal, biomass and nuclear energy, explaining efficiency, transmission, storage and environmental effects while distinguishing renewable sources from non-renewable sources.
Practise Technology and Energy
109 free Technology and Energy MCQs from Everyday Science, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Everyday Science questions like this
Everyday Science is on 40 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.