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Questions  

Three plates of common surface area A are connected as shown. The effective capacitance will be:

a
ε0Ad
b
3ε0Ad
c
32ε0Ad
d
2ε0Ad

detailed solution

Correct option is D

The given circuit is equivalent to parallel parallel combination of two identical capacitors, each having capacitance C=ε0Ad.Hence Ceq=2C=2ε0Ad

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