A parallel plate capacitor of area A cm2 and separating distance a cm is dipped in ethyl alcohol up to a depth of a / 2. Given the dielectric constant εr of ethyl alcohol to be 25, the ratio of capacitance after dipping to that before dipping would be

A parallel plate capacitor of area A cm2 and separating distance a cm

1.	A parallel plate capacitor of area A cm2 and separating distance a cm is dipped in ethyl alcohol up to a depth of a / 2. Given the dielectric constant εr of ethyl alcohol to be 25, the ratio of capacitance after dipping to that before dipping would be
A.	26 / 50
B.	45 / 50
C.	50 / 26
D.	3 / 1
Answer» D. 3 / 1

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A parallel plate capacitor of area A cm2 and separating distance a cm is dipped in ethyl alcohol up to a depth of a / 2. Given the dielectric constant εr of ethyl alcohol to be 25, the ratio of capacitance after dipping to that before dipping would be

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