New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrostatics question

2025 · 23 Jan · Shift 2 · Q60

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

PYQ Library
JEE Main
Physics
Electrostatics
2025 · 23 Jan · Shift 2 · Q60

Electrostatics question

2025 · 23 Jan · Shift 2 · Q60

JEE MainPhysicsElectrostaticsMCQ+4 / −1

Two point charges

-4 \mu \mathrm{c}

and

4 \mu \mathrm{c}

, constituting an electric dipole, are placed at

(-9,0,0) \mathrm{cm}

and

(9,0,0) \mathrm{cm}

in a uniform electric field of strength

10^4 \mathrm{NC}^{-1}

. The work done on the dipole in rotating it from the equilibrium through

180^{\circ}

is :

A
18.4 mJ
B
12.4 mJ
C
16.4 mJ
D
14.4 mJ

More from Electrostatics

Two charges $7 μ c$ and $- 4 μ c$ are placed at $(- 7 cm, 0, 0)$ and $(7 cm, 0, 0)$ respectively. Given, $ϵ_{0} = 8.85 \times 1 0^{- 12} C^{2} N^{- 1} m^{- 2}$ , the…2025 · MCQ
Consider a parallel plate capacitor of area A (of each plate) and separation ' $d$ ' between the plates. If $E$ is the electric field and $ε_{0}$ is the permittivity of free space between the plates, then potential energy stored in…2025 · MCQ
A square loop of sides $a = 1 m$ is held normally in front of a point charge $q = 1 C$ at a distance $\frac{a}{2}$ . The flux of the electric field through the shaded region is $\frac{5}{p} \times \frac{1}{ε _{0}} \frac{Nm ^{2}}{C}$ … Includes diagram2025 · Numerical
A small uncharged conducting sphere is placed in contact with an identical sphere but having $4 \times 1 0^{- 8} C$ charge and then removed to a distance such that the force of repulsion between them is $9 \times 10^{-3}…2025 · MCQ
In the first configuration (1) as shown in the figure, four identical charges $(q_{0})$ are kept at the corners A, B, C and D of square of side length ' $a$ '. In the second configuration (2), the same charges are shifted to mid… Includes diagram2025 · MCQ
Three infinitely long wires with linear charge density $λ$ are placed along the $x - a x i s, y - a x i s$ and $z -$ axis respectively. Which of the following denotes an equipotential surface?2025 · MCQ
A particle of mass ' $m$ ' and charge ' $q$ ' is fastened to one end ' $A$ ' of a massless string having equilibrium length $l$ , whose other end is fixed at point ' $O$ '. The whole system is placed on a frictionless horizontal plane and is… Includes diagram2025 · MCQ
An electric dipole of dipole moment $6 \times 1 0^{- 6} Cm$ is placed in uniform electric field of magnitude $1 0^{6} V / m$ . Initially, the dipole moment is parallel to electric field. The work that needs to be…2025 · Numerical