JEE Advanced 2020 Full Test 2 Paper 2

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Answer the following by appropriately matching the list based on the information given in the paragraph.

Consider a conducting sphere as shown in figure.

Radius of sphere =a
List - I gives the four points.
List - II gives the values for potentials.
   List - I    List - II
 (I)  A  (P)  Zero
 (II)  B  (Q)  
1
4πε0
q
3a
 (III)  C  (R)  
1
4πε0
q
a10
 (IV)  O  (S)  
1
4πε0
q
2a
     (T)  
1
4πε0
q
3a
     (U)  None of these
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