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QJEE MAIN 2026
The space between the plates of a parallel plate capacitor of capacitance $C$ (without any dielectric) is now filled with three dielectric slabs of dielectric...
JEE MainPhysicsHard
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QJEE MAIN 2026
Three parallel plate capacitors each with area $A$ and separation $d$ are filled with two dielectric ( $k_1$ and $\mathrm{k}_2$ ) in the following fashion....
JEE MainPhysicsHard
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QJEE MAIN 2026
The reading of the ammeter (A) in steady state in the following circuit (assuming negligible internal resistance of the ammeter) is_____A.
A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a mica sheet of 2 mm and maintaining the...
JEE MainPhysicsMedium
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QJEE MAIN 2026
A capacitor $P$ with capacitance $10 \times 10^{-6} \mathrm{~F}$ is fully charged with a potential difference of 6.0 V and disconnected from the battery. The...
JEE MainPhysicsMedium
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QJEE MAIN 2026
A parallel plate capacitor has capacitance $C$, when there is vacuum within the parallel plates. A sheet having thickness $\left(\frac{1}{3}\right)^{\text {rd }}$ of the separation...
JEE MainPhysicsMedium
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QJEE MAIN 2020
A 5 F capacitor is charged fully by a 220 V supply. It is then disconnected from the supply and is connected in series to...
JEE MainPhysicsMedium
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QJEE MAIN 2020
An ideal cell of emf 10 V is connected in circuit shown in figure. Each resistance is $2 \Omega$. The potential difference (in V )...
JEE MainPhysicsEasy
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QJEE MAIN 2020
A $10 \mu \mathrm{~F}$ capacitor is fully charged to a potential difference of 50 V . After removing the source voltage it is connected to...
JEE MainPhysicsEasy
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QJEE-MAIN 2019
In the figure shown, after the switch ‘S’ is turned from position ‘A’ to position ‘B’, the energy dissipated in the circuit in terms of...
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