A source of potential difference 
is connected to the combination of two identical capacitors as shown in the figure. When key ' 
' is closed, the total energy stored across the combination is 
. Now key ' 
' is opened and dielectric of dielectric constant 5 is introduced between the plates of the capacitors. The total energy stored across the combination is now 
. The ratio 
will be:
Text Solution
Verified by ExpertsC
(1) Switch is closed
Energy 
(ii) When switch is opened charge on right capacitor remain 
while potential on left capacitor remain same
Dielectric 
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