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JEE Main 2022 (Online) 27th July Evening Shift
Numerical
+4
-1
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As show in the figure, in steady state, the charge stored in the capacitor is ____________ $$\times\, 10^{-6}$$ C.

JEE Main 2022 (Online) 27th July Evening Shift Physics - Capacitor Question 37 English

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2
JEE Main 2022 (Online) 27th July Evening Shift
Numerical
+4
-1
Change Language

A parallel plate capacitor with width $$4 \mathrm{~cm}$$, length $$8 \mathrm{~cm}$$ and separation between the plates of $$4 \mathrm{~mm}$$ is connected to a battery of $$20 \mathrm{~V}$$. A dielectric slab of dielectric constant 5 having length $$1 \mathrm{~cm}$$, width $$4 \mathrm{~cm}$$ and thickness $$4 \mathrm{~mm}$$ is inserted between the plates of parallel plate capacitor. The electrostatic energy of this system will be ____________ $$\epsilon_{0}$$ J. (Where $$\epsilon_{0}$$ is the permittivity of free space)

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3
JEE Main 2022 (Online) 26th July Morning Shift
Numerical
+4
-1
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A composite parallel plate capacitor is made up of two different dielectric materials with different thickness $$\left(t_{1}\right.$$ and $$\left.t_{2}\right)$$ as shown in figure. The two different dielectric materials are separated by a conducting foil $$\mathrm{F}$$. The voltage of the conducting foil is V.

JEE Main 2022 (Online) 26th July Morning Shift Physics - Capacitor Question 40 English

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4
JEE Main 2022 (Online) 25th July Evening Shift
Numerical
+4
-1
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Two parallel plate capacitors of capacity C and 3C are connected in parallel combination and charged to a potential difference 18 V. The battery is then disconnected and the space between the plates of the capacitor of capacity C is completely filled with a material of dielectric constant 9. The final potential difference across the combination of capacitors will be ___________ V.

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