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Grade 12th passDiscuss with Askiitians Tutors

solid not conducting sphere of radius r have a cycle cavity of radius r by 2 carries a uniformly distributed charge q electric field at the center of the cavity is?

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Profile image of Nipasa Deka
6 Years agoGrade 12th pass
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2 Answers

Profile image of Arun
6 Years ago
The electric potential at a distance r from the center of a sphere of radius R where rV 
r
​ 
 = 
2R
KQ
​ 
 (3− 
R 
2
 
r 
2
 
​ 
 )
= 
2R 
3
 
KQ(3R 
2
 −r 
2
 )
​ 
 
= 
4πε 
o
​ 
 
1
​ 
  
2R 
3
 
Q(3R 
2
 −r 
2
 )
​ 
 
 
At the center of a sphere, the value of R=0. So, according to formula of potential, V= K 
R
Q
​ 
 . Here R= 0. So the potential at the center will be infinite.
Profile image of Vikas TU
6 Years ago
Dear student 
The above explanation is not properly explained 
Please ignore this 
We are sorry for inconvenience.
Good Luck 
Cheers 

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