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QJEE MAIN 2021
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JEE MainPhysicsEasy
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QJEE MAIN 2021
If $\mathrm{g}_{\mathrm{f}}$ is the free charge on the capacitor plates and $\mathrm{g}_{\mathrm{b}}$ is the bound charge on the dielectric slab of dielectric constant k placed...
JEE MainPhysicsEasy
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QJEE MAIN 2021
Let slope of the tangent line to a curve at any point $P(x, y)$ be given by $\frac{x y^2+y}{x}$. If the curve intersects the line...
JEE MainMathematicsMedium
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QJEE MAIN 2021
A simple pendulum of mass ' m' length ' l ' and charge ' $+q$ ' suspended in the electric field produced by two conducting...
JEE MainPhysicsHard
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QJEE-MAIN 2021
A parallel plate capacitor with plate area ‘A’ and distance of separation ‘d’ is filled with a dielectric. What is the capacity of the capacitor...
JEE MainPhysicsEasy
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QJEE MAIN 2021
Match List I with List II.
JEE MainPhysicsEasy
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QJEE MAIN 2021
Two capacitors of capacities 2C and C are joined in parallel and charged up to potential V. The battery is removed and the capacitor of...
JEE MainPhysicsEasy
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QJEE MAIN 2021
In the reported figure, a capacitor is formed by placing a compound dielectric between the plates of parallel plate capacitor. The expression for the capacity...
JEE MainPhysicsEasy
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QJEE MAIN 2021
A capacitor of capacitance $\mathrm{C}=1 \mu \mathrm{~F}$ is suddenly connected to a battery of 100 volt through a resistance $\mathrm{R}= 100 \Omega$. The time taken...
JEE MainPhysicsEasy
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QJEE MAIN 2019
A parallel plate capacitor has $1 \mu \mathrm{~F}$ capacitance. One of its two plates is given $+2 \mu \mathrm{C}$ charge and the other plate, $...
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