Questions
The ratio of capacitance of two capacitors filled with dielectrics of same dimensions but of different values K and K/4 arranged in two ways as shown in Figure-(1) and Figure-(2) is
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Correct option is B
Here C1=ε0k1A2d + ε0k2A2d=5ε0kA8d Given k1= k, k2= k/4C2=ε0Ad/2k1 + d/2k2 = 2ε0kA5d ∴ C1C2=2516Similar Questions
A parallel plate, air filled capacitor has capacitance C. When a dielectric material of dielectric constant 4 is filled so that half of the space between plates is occupied by it, then percentage increase in the capacitance is equal to
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