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Help me understand! A hollow metal sphere if radius R is uniformly charged . The electricity field due to the sphere at a distance r from the center :

A hollow metal sphere if radius R is uniformly  charged . The electricity field due to the sphere at a distance r from the center : 

 

  • Option 1)

    Increases as r increases  for r < R and for r > R 

  • Option 2)

    zero as r increases for r <  R , decreases as r increases for r > R 

  • Option 3)

    zero as r increases for r < R , increases as r  > R 

  • Option 4)

    decreases as r increases for r < R and for r > R 

 
Answers (1)
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Inside sphere field is zero since there is no change inside , charge get distributed on the surface 


Option 1)

Increases as r increases  for r < R and for r > R 

Option 2)

zero as r increases for r <  R , decreases as r increases for r > R 

Option 3)

zero as r increases for r < R , increases as r  > R 

Option 4)

decreases as r increases for r < R and for r > R 

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