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A gas would serve as an electrical conductor under

Physics
JAMB 2000
A gas would serve as an electrical conductor under
  • A. reduced pressure and high current
  • B. increased magnetic field
  • C. reduced pressure and reduced potential
  • D. exposure to visible light
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Correct Answer: Option A
Explanation
In general, gases conduct electricity under reduced pressure and high voltage/potential.

But from Ohms Law, current is directly proportional to voltage. Thus high current presupposes high voltage.
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid