Questions
In the figure a capacitor is filled with dielectrics. The resultant capacitance is
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a
2∈0Ad1k1+1k2+1k3
b
∈0Ad1k1+1k2+1k3
c
2∈0Adk1+k2+k3
d
None of these
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Correct option is D
C1=K1∈0A2d2=K1∈0Ad C2=K2∈0A2d2=K2∈0Ad and C3=K3∈0A2d=K3∈0A2d Now, C1 and C2 in series and that combination is in parallel with C3 Ceq=C3+C1C2C1+C2=K32+K1K2K1+K2∈0AdSimilar Questions
The distance between the plates of a parallel plate capacitor is d. A metal plate of thickness d/2 is placed between the plates. The capacitance would then be
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