-A parallel palate capacitor with square plates is filled with four dielectrics of dielectric constants K₁, K₂, K₃, K₄ arranged as shown in the figure. The effective dielectric constant K will be:<br /> (A) K = [(K₁ + K₃) (K₂ + K₄)] ÷ (K₁ + K₂ + K₃ + K₄)<br />
(B) K = [(K₁ + K₂) (K₃ + K₄)] ÷ 2(K₁ + K₂ + K₃ + K₄)<br />
(C) K = [(K₁ + K₂) (K₃ + K₄)] ÷ (K₁ + K₂ + K₃ + K₄)<br />
(D) K = [(K₁ + K₄) (K₂ + K₃)] ÷ 2(K₁ + K₂ + K₃ + K₄)
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(B) K = [(K₁ + K₂) (K₃ + K₄)] ÷ 2(K₁ + K₂ + K₃ + K₄)<br />
(C) K = [(K₁ + K₂) (K₃ + K₄)] ÷ (K₁ + K₂ + K₃ + K₄)<br />
(D) K = [(K₁ + K₄) (K₂ + K₃)] ÷ 2(K₁ + K₂ + K₃ + K₄)
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