Samveel Ansari posted an Question
September 06, 2020 • 18:01 pm 30 points
  • IIT JAM
  • Physics (PH)

A charge q is uniformly distributed on surface ofa sphere of radius r force exerted by one half on the other half is garccr end&aur (a) 8t e r

A charge Q is uniformly distributed on surface ofa sphere of radius R force exerted by one half on the other half is GARCCR END&AUR (a) 8T E R

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  • Samveel ansari

    sir why we have taken the area ^r²( pie r²) and not 2^r² (2pie r²) which us the area of half sphere??

  • Samveel ansari

    howz electric field is (sigma/ 2 absilen not)??

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    see, since the charge is distributed along the surface so we can say that the given sphere is conductor. so I would recommend you to have a read on Electrical Field on the surface on conductor. you will find that it's always same and equal to sigma/2epsilo.

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