New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrostatics question

2024 · 31 Jan · Shift 2 · Q76

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Electrostatics
2024 · 31 Jan · Shift 2 · Q76

Electrostatics question

2024 · 31 Jan · Shift 2 · Q76

JEE MainPhysicsElectrostaticsMCQ+4 / −1

Force between two point charges

q_1

and

q_2

placed in vacuum at '

r

' cm apart is

F

. Force between them when placed in a medium having dielectric constant

K=5

at '

r / 5

'

\mathrm{cm}

apart will be:

A
$5 F$
B
$25 F$
C
$F / 5$
D
$F / 25$

More from Electrostatics

The distance between charges $+ q$ and $- q$ is $2 l$ and between $+ 2 q$ and $- 2 q$ is $r$ . The electrostatic potential at point $P$ at a distance $r$ from center $O$ is $- α [\frac{q l}{r ^{2}}] \times 1 0^{9} V$ ,… Includes diagram2024 · Numerical
Let $σ$ be the uniform surface charge density of two infinite thin plane sheets shown in figure. Then the electric fields in three different region $E_{I}, E_{I I}$ and $E_{I I I}$ are: Includes diagram2023 · MCQ
Two equal positive point charges are separated by a distance $2 a$ . The distance of a point from the centre of the line joining two charges on the equatorial line (perpendicular bisector) at which force experienced by a test charge $q_{0}$ …2023 · Numerical
A cubical volume is bounded by the surfaces $x = 0, x = a, y = 0, y = a, z = 0, z = a$ . The electric field in the region is given by $E = E_{0} x \hat{i}$ . Where $E_{0} = 4 \times 1 0^{4} NC^{- 1} m^{- 1}$ …2023 · Numerical
For a uniformly charged thin spherical shell, the electric potential (V) radially away from the centre (O) of shell can be graphically represented as - Includes diagram2023 · MCQ
A dipole comprises of two charged particles of identical magnitude $q$ and opposite in nature. The mass 'm' of the positive charged particle is half of the mass of the negative charged particle. The two charges are separated by a distance…2023 · MCQ
Graphical variation of electric field due to a uniformly charged insulating solid sphere of radius $R$ , with distance $r$ from the centre O is represented by: Includes diagram2023 · MCQ
An electric dipole of dipole moment is $6.0 \times 1 0^{- 6} Cm$ placed in a uniform electric field of $1.5 \times 1 0^{3} NC^{- 1}$ in such a way that dipole moment is along electric field. The work done in rotating…2023 · Numerical