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Which of the following can conduct electricity owing to the presence of free mobile electrons?

Physics
JAMB 2009

Which of the following can conduct electricity owing to the presence of free mobile electrons?

  • A. germanium
  • B. silicon
  • C. grapefruit
  • D. copper
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Correct Answer: Option D
Explanation

Metals are good conductors due to the presence of free electrons.

There is an explanation video available below.

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Explanation Video

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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts