The capacitance of a parallel plate condenser is C 1 (fig. a). A dielectric of dielectric…

Physics · JEE Advanced · NTA ExamsElectrostatics

The capacitance of a parallel plate condenser is C1
(fig. a). A dielectric of dielectric constant K is inserted as shown in figure ( b) and ( c). If C2 and C3 are the capacitances in figure ( b) and (c ), then
(a )  
 
( b)  
(c )
  1. Both C2 and C3 > C1
  2. C3 > C1 but C2 < C1
  3. Both C2 and C­3 < C1
  4. C1 = C2 = C3

Answer

(A) Both C 2 and C 3 > C 1

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