A parallel-plate capacitor with plate area A has separation d between the plates. Two dielectric slabs of dielectric constant K1 and K2 of same area A/2 and thickness d/2 are inserted in the space between the plates as shown in the options. Which of the following correctly represents a component of the modified capacitance expression?

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Physics · Electrostatics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

ε0 Ad [ 12 K1 K2K1 + K2 ]

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Answer 1

ε0 Ad [ 12 + K1 K22(K1 + K2) ]

Answer 2

ε0 Ad [ 12 + K1 + K2K1 K2 ]

Answer 3

ε0 Ad [ 12 + 2(K1 + K2)K1 K2 ]

Answer 4

ε0 Ad [ 12 K1 K2K1 + K2 ]

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