Two parallel plate capacitors of capacitance C and 2C are connected in series with a cell of 
, as shown. Potential difference across the capacitor of capacitance C isV 1 . Now a dielectric slab of dielectric constant 2 is inserted between the plates of this capacitor to completely fill the space between them. If new potential difference between its two plates is V 2 , then 
is equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Initial voltage 
across 
Final voltage 
across 
Now, 
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