1

JEE Main 2021 (Online) 17th March Evening Shift

Numerical

+4

-1

The electric field in a region is given by $$\overrightarrow E = {2 \over 5}{E_0}\widehat i + {3 \over 5}{E_0}\widehat j$$ with $${E_0} = 4.0 \times {10^3}{N \over C}$$. The flux of this field through a rectangular surface area 0.4 m

^{2}parallel to the Y-Z plane is __________ Nm^{2}C^{$$-$$1}.Your input ____

2

JEE Main 2021 (Online) 26th February Evening Shift

Numerical

+4

-1

27 similar drops of mercury are maintained at 10V each. All these spherical drops combine into a single big drop. The potential energy of the bigger drop is __________ times that of a smaller drop.

Your input ____

3

JEE Main 2021 (Online) 25th February Evening Shift

Numerical

+4

-1

English

Hindi

The peak electric field produced by the radiation coming from the 8W bulb at a distance of 10 m is $${x \over {10}}\sqrt {{{{\mu _0}c} \over \pi }} {V \over m}$$. The efficiency of the bulb is 10% and it is a point source. The value of x is ___________.

Your input ____

4

JEE Main 2021 (Online) 25th February Evening Shift

Numerical

+4

-1

English

Hindi

Two identical conducting spheres with negligible volume have 2.1 nC and $$-$$0.1 nC charges, respectively. They are brought into contact and then separated by a distance of 0.5 m. The electrostatic force acting between the spheres is __________ $$\times$$ 10

[Given : $$4\pi {\varepsilon _0} = {1 \over {9 \times {{10}^9}}}$$ SI unit]

^{$$-$$9}N.[Given : $$4\pi {\varepsilon _0} = {1 \over {9 \times {{10}^9}}}$$ SI unit]

Your input ____

Questions Asked from Electrostatics (Numerical)

Number in Brackets after Paper Indicates No. of Questions

JEE Main 2023 (Online) 1st February Evening Shift (1) JEE Main 2023 (Online) 1st February Morning Shift (1) JEE Main 2023 (Online) 31st January Morning Shift (1) JEE Main 2023 (Online) 30th January Evening Shift (1) JEE Main 2023 (Online) 29th January Evening Shift (1) JEE Main 2023 (Online) 29th January Morning Shift (1) JEE Main 2022 (Online) 28th July Morning Shift (1) JEE Main 2022 (Online) 27th July Morning Shift (1) JEE Main 2022 (Online) 26th July Evening Shift (1) JEE Main 2022 (Online) 25th July Morning Shift (1) JEE Main 2022 (Online) 30th June Morning Shift (1) JEE Main 2022 (Online) 25th June Evening Shift (1) JEE Main 2021 (Online) 25th July Morning Shift (1) JEE Main 2021 (Online) 22th July Evening Shift (1) JEE Main 2021 (Online) 20th July Morning Shift (1) JEE Main 2021 (Online) 18th March Evening Shift (1) JEE Main 2021 (Online) 17th March Evening Shift (2) JEE Main 2021 (Online) 26th February Evening Shift (1) JEE Main 2021 (Online) 25th February Evening Shift (3) JEE Main 2021 (Online) 25th February Morning Shift (2) JEE Main 2021 (Online) 24th February Evening Shift (1) JEE Main 2020 (Online) 9th January Evening Slot (1)