May 2016

Lightning and safety

By |2022-09-15T12:38:48+02:00May 27th, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

Lightning conductors in action. Image credit ask.com

Lightning conductors in action. Image credit ask.com ZIMSEC O Level Combined Science Notes: Lightning and safety
  • Lightning has very high voltages
  • It can electrocute, maim or kill a person if they are struck
  • Several precautions can be taken to prevent this from happening:
  • People […]

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Science:Lighting

By |2022-09-15T12:38:49+02:00May 27th, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

Lightining is a result of electrostatic discharge. Image credit zmescience.com

Lightining is a result of electrostatic discharge. Image credit zmescience.com ZIMSEC O Level Combined Science Notes: Conductors and insulators
  • Clouds are poor conductors because they are made of mostly water particles
  • They may become charged due to friction forces within them […]

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