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Solution


Q.

Match List I with List II

  List I   List II
A. Electric field inside (distance r > 0 from center) of a uniformly charged spherical shell with surface charge density σ, and radius R. I. σ/ε0
B. Electric field at distance r > 0 from a uniformly charged infinite plane sheet with surface charge density σ. II. σ/2ε0
C. Electric field outside (distance r > 0 from center) of a uniformly charged spherical shell with surface charge density σ, and radius R. III. 0
D. Electric field between 2 oppositely charged infinite plane parallel sheets with uniform surface charge density σ. IV. σ/ε0r2

 

Choose the correct answer from the options given below:            [2025]
1 (A)-(IV), (B)-(I), (C)-(III), (D)-(II)  
2 (A)-(IV), (B)-(II), (C)-(III), (D)-(I)  
3 (A)-(II), (B)-(I), (C)-(IV), (D)-(III)  
4 (A)-(III), (B)-(II), (C)-(IV), (D)-(I)  

Ans.

(none)

Inside uniformly charged spherical shell, E = 0

∴  A→III

For uniformly charged infinite plate

           E=σ2ε0

           B→II

Outside of spherical shell

           E=Q4πε0r2=σR2ε0r2

None of the option is matching for C.

Between two plates E=σε0

           D→I

None of the option is correct.