Intially, switch $S$ is connected to position $1$ for a long time shown in figure. The net amount of heat generated in the circuit after it is shifted to position $2$ is 

821-111

  • A

    $\frac{C}{2}\left( {{\varepsilon _1} + {\varepsilon _2}} \right){\varepsilon _2}$

  • B

    $C\left( {{\varepsilon _1} + {\varepsilon _2}} \right){\varepsilon _2}$

  • C

    $\frac{C}{2}{\left( {{\varepsilon _1} + {\varepsilon _2}} \right)^2}$

  • D

    $C{\left( {{\varepsilon _1} + {\varepsilon _2}} \right)^2}$

Similar Questions

If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then

$A$. the charge stored in it, increases.

$B$. the energy stored in it, decreases.

$C$. its capacitance increases.

$D$. the ratio of charge to its potential remains the same.

$E$. the product of charge and voltage increases.

Choose the most appropriate answer from the options given below:

  • [NEET 2024]

A $2\,\mu F$ capacitor is charged to $100$ $volt$ and then its plates are connected by a conducting wire. The heat produced is........$J$

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Three capacitors of capacitances $25 \mu \mathrm{F}, 30 \mu \mathrm{F}$ and $45 \mu \mathrm{F}$ are connected in parallel to a supply of $100$

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  • [JEE MAIN 2024]