The diagram above illustrates an isolated metal sphere carrying charge W in a medium whose…

Physics WAEC 1996

The diagram above illustrates an isolated metal sphere carrying charge W in a medium whose permittivity is so. The magnitude of the electric field intensity at P can be expressed as

  • Q2/(4πΡor2)
  • Q/(4πΡor2) checkmark
  • Q/(4πΡor)
  • Q2/(4πΡor2)
  • Q/(4πΡor) 2

The correct answer is: B

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