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QJEE MAIN 2022
Two identical thin metal plates has charge $\mathrm{q}_1$ and $\mathrm{q}_2$ respectively such that $q_1>q_2$. The plates were brought close to each other to form a...
JEE MainPhysicsHard
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QJEE MAIN 2022
A source of potential difference V is connected to the combination of two identical capacitors as shown in the figure. When key ' K '...
JEE MainPhysicsHard
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QJEE Main 2022
Two capacitors, each having capacitance $40 \mu \mathrm{~F}$ are connected in series. The space between one of the capacitors is filled with dielectric material of...
JEE MainPhysicsEasy
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QJEE MAIN 2022
A composite parallel plate capacitor is made up of two different dielectric materials with different thickness $\left(\mathrm{t}_1\right.$ and $\left.\mathrm{t}_2\right)$ as shown in figure. The two...
JEE MainPhysicsMedium
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QJEE MAIN 2022
Capacitance of an isolated conducting sphere of radius $R_1$ becomes $n$ times when it is enclosed by a concentric conducting sphere of radius $R_2$ connected...
JEE MainPhysicsHard
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QJEE MAIN 2022
The rms value of conduction current in a parallel plate capacitor is $6.9 \mu \mathrm{~A}$. The capacity of this capacitor, if it is connected to...
JEE MainPhysicsEasy
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QJEE MAIN 2022
The total charge on the system of capacitance $\mathrm{C}_1=1 \mu \mathrm{~F}, \mathrm{C}_2=2 \mu \mathrm{~F}, \mathrm{C}_3=4 \mu \mathrm{~F}$ and $\mathrm{C}_4=3 \mu \mathrm{~F}$ connected in parallel is...
JEE MainPhysicsEasy
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QJEE MAIN 2022
A condenser of $2 \mu \mathrm{~F}$ capacitance is charged steadily from 0 to 5C. Which of the following graph represents correctly the variation of potential...
JEE MainPhysicsEasy
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QJEE MAIN 2022
If the angle made by the tangent at the point $\left(x_0, y_0\right)$ on the curve $x=12(t+\sin t \cos t), y=12(1+\sin t)^2$, $0
JEE MainMathematicsEasy
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QJEE MAIN 2022
A paralle plate capacitor is made up of stair like structure with a palte area A of each stair and that is connected with a...
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