(C) The system can be viewed as two capacitors in series: one with the dielectric and one with the air gap.$C_1 = \frac{K \varepsilon_0 A}{t} = \frac{

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$\frac{10}{3} \ \varepsilon_0 \ F$

(C) The system can be viewed as two capacitors in series: one with the dielectric and one with the air gap.$C_1 = \frac{K \varepsilon_0 A}{t} = \frac{5 \varepsilon_0 \times 40 \times 10^{-4}}{1 \times 10^{-3}} = 20 \varepsilon_0 \ F$$C_2 = \frac{\varepsilon_0 A}{d-t} = \frac{\varepsilon_0 \times 40 \times 10^{-4}}{1 \times 10^{-3}} = 4 \varepsilon_0 \ F$Since they are in series,the equivalent capacitance $C_{eq}$ is given by:$\frac{1}{C_{eq}} = \frac{1}{C_1} + \frac{1}{C_2} = \frac{1}{20 \varepsilon_0} + \frac{1}{4 \varepsilon_0}$$\frac{1}{C_{eq}} = \frac{1 + 5}{20 \varepsilon_0} = \frac{6}{20 \varepsilon_0} = \frac{3}{10 \varepsilon_0}$$C_{eq} = \frac{10}{3} \varepsilon_0 \ F$

Class 12 Physics Electric Potential and Capacitance Effect of Dielectric Inside Capacitor

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$A$ parallel plate capacitor has plate area $40 \ cm^2$ and plate separation $2 \ mm$. The space between the plates is filled with a dielectric medium of thickness $1 \ mm$ and dielectric constant $5$. The capacitance of the system is ($\varepsilon_0 =$ permittivity of vacuum)

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A
$24 \ \varepsilon_0 \ F$
B
$\frac{3}{10} \ \varepsilon_0 \ F$
C
$\frac{10}{3} \ \varepsilon_0 \ F$
D
$10 \ \varepsilon_0 \ F$

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Electric Potential and Capacitance

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Effect of Dielectric Inside Capacitor

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$A$ capacitor of capacitance $C = 10 \ \mu F$ is connected to a $12 \ V$ battery. When a dielectric slab of dielectric constant $K = 5$ is inserted between its plates,how much additional charge (in $\mu C$) will flow from the battery to the capacitor?

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Two identical parallel plate air capacitors are connected in series to a battery of emf $V$. If one of the capacitors is inserted in a liquid of dielectric constant $K$,then the potential difference across the other capacitor will become:

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$A$ parallel plate capacitor has plates of area $A$ and a separation distance of $100 \ mm$. It contains two dielectric layers: one with a dielectric constant of $10$ and a thickness of $6 \ mm$,and another with a dielectric constant of $5$ and a thickness of $4 \ mm$. Find the capacitance of the capacitor.

Easy

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An air capacitor has a capacitance of $1 \mu F$. Now the space between the two plates of the capacitor is filled with two dielectrics as shown in the figure. The capacitance of the capacitor is: [$d=$ distance between two plates of the capacitor,$K_1$ and $K_2$ are dielectric constants of the first and second dielectric respectively] (in $\mu F$)

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$A$ parallel plate capacitor with air between the plates has a capacitance of $12 \mu F$. If the distance between the plates is doubled and the space between the plates is filled with a substance of dielectric constant $4$,what will be the new capacitance of the capacitor (in $\mu F$)?

MediumAP EAMCET 2022

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$A$ parallel plate capacitor has plate area $40 \ cm^2$ and plate separation $2 \ mm$. The space between the plates is filled with a dielectric medium of thickness $1 \ mm$ and dielectric constant $5$. The capacitance of the system is ($\varepsilon_0 =$ permittivity of vacuum)

Similar Questions

$A$ capacitor of capacitance $C = 10 \ \mu F$ is connected to a $12 \ V$ battery. When a dielectric slab of dielectric constant $K = 5$ is inserted between its plates,how much additional charge (in $\mu C$) will flow from the battery to the capacitor?

Two identical parallel plate air capacitors are connected in series to a battery of emf $V$. If one of the capacitors is inserted in a liquid of dielectric constant $K$,then the potential difference across the other capacitor will become:

$A$ parallel plate capacitor with air between the plates has a capacitance of $12 \mu F$. If the distance between the plates is doubled and the space between the plates is filled with a substance of dielectric constant $4$,what will be the new capacitance of the capacitor (in $\mu F$)?

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