1

JEE Main 2021 (Online) 16th March Evening Shift

Numerical

+4

-1

In a parallel plate capacitor set up, the plate area of capacitor is 2 m

^{2}and the plates are separated by 1 m. If the space between the plates are filled with a dielectric material of thickness 0.5 m and area 2 m^{2}(see fig.) the capacitance of the set-up will be __________$$\varepsilon $$_{o}. (Dielectric constant of the material = 3.2) (Round off to the Nearest Integer)Your input ____

2

JEE Main 2020 (Online) 2nd September Evening Slot

Numerical

+4

-0

An ideal cell of emf 10 V is connected in circuit
shown in figure. Each resistance is 2 $$\Omega $$. The
potential difference (in V) across the capacitor
when it is fully charged is ______.

Your input ____

3

JEE Main 2020 (Online) 2nd September Morning Slot

Numerical

+4

-0

A 5 $$\mu $$F capacitor is charged fully by a 220 V
supply. It is then disconnected from the supply
and is connected in series to another
uncharged 2.5 $$\mu $$F capacitor. If the energy
change during the charge redistribution is
$${X \over {100}}J$$ then value of X to the nearest integer is
_____.

Your input ____

4

JEE Main 2020 (Online) 7th January Evening Slot

Numerical

+4

-0

A 60 pF capacitor is fully charged by a 20 V supply. It is then disconnected from the supply and
is conneced to another uncharged 60 pF capacitor in parallel. The electrostatic energy that is lost
in this process by the time the charge is redistributed between them is (in nJ) _____

Your input ____

Questions Asked from Capacitor (Numerical)

Number in Brackets after Paper Indicates No. of Questions

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