A parallel plate capacitor having plates of area S and plate separation d,has capacitance C_1 in air.When two dielectrics of different relative permittivities ( \epsilon_1=2\text{and} \epsilon_2=4) are introduced between the two plates as shown in fig,the capacitance becomes C_2.the ratio C_2/C_1 is [JEE Adv 2015 P2]

Capacitors

Section: Physics

Question : 12 of 17

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A parallel plate capacitor having plates of area S and plate separation d,has capacitance C1 in air.When two dielectrics of different relative permittivities (ε1=2andε2=4) are introduced between the two plates as shown in fig,the capacitance becomes C2.the ratio

[JEE Adv 2015 P2]

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