Question

give me the answer of this question plz​

Answer 1

Correct Answer is 23

Explanation: Above is the equivalent circuit including parallel plate capacitors C1 C2 and C3  

The Capacitance of all the three parallel plate capacitors is equal and is given as C1=C2=C3=C=dε0A

As C2 and C3 are connected in series the resultant capacitance is equal to 2C

The resultant capacitance is in parallel with C1 thus the resultance capacitance of the given circuit Ceq=2C+C=23C

∴Ceq=2d3ε0A

comparing with given Ceq=dxε0A we get x=23

Thus x=23

Answer 2

Answer:

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