Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Electrostatics question

2022 · 24 Jun · Shift 2 · Q60
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Electrostatics
  5. /2022 · 24 Jun · Shift 2 · Q60

Electrostatics question

2022 · 24 Jun · Shift 2 · Q60

JEE MainPhysicsElectrostaticsMCQ+4 / −1
A long cylindrical volume contains a uniformly distributed charge of density ρ\rhoρ. The radius of cylindrical volume is R. A charge particle (q) revolves around the cylinder in a circular path. The kinetic energy of the particle is :
  1. A
    ρqR24ε0{{\rho q{R^2}} \over {4{\varepsilon _0}}}4ε0​ρqR2​
  2. B
    ρqR22ε0{{\rho q{R^2}} \over {2{\varepsilon _0}}}2ε0​ρqR2​
  3. C
    qρ4ε0R2{{q\rho } \over {4{\varepsilon _0}{R^2}}}4ε0​R2qρ​
  4. D
    4ε0R2qρ{{4{\varepsilon _0}{R^2}} \over {q\rho }}qρ4ε0​R2​
PreviousNext

More from Electrostatics

  • The volume charge density of a sphere of radius 6 m is 2μCcm−3. The number of lines of force per unit surface area coming out from the surface of the sphere is ​×1010NC−1…2022 · Numerical
  • In the figure, a very large plane sheet of positive charge is shown. P1 and P2 are two points at distance l and 2l from the charge distribution. If σ is the surface charge density, then the magnitude of electric fields E1 and E2 at… Includes diagram2022 · MCQ
  • 27 identical drops are charged at 22V each. They combine to form a bigger drop. The potential of the bigger drop will be ​ V.2022 · Numerical
  • Two uniformly charged spherical conductors A and B of radii 5 mm and 10 mm are separated by a distance of 2 cm. If the spheres are connected by a conducting wire, then in equilibrium condition, the…2022 · MCQ
  • Three point charges of magnitude 5μC,0.16μC and 0.3μC are located at the vertices A,B,C of a right angled triangle whose sides are AB=3 cm,BC=32​ cm and CA=3 cm…2022 · Numerical
  • Given below two statements : One is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A) : Non-polar materials do not have any permanent dipole moment. Reason (R) : When a non-polar material is placed in an electric…2022 · MCQ
  • Sixty four conducting drops each of radius 0.02 m and each carrying a charge of 5 μ C are combined to form a bigger drop. The ratio of surface density of bigger drop to the smaller drop will be :2022 · MCQ
  • Two identical positive charges Q each are fixed at a distance of '2a' apart from each other. Another point charge q0​ with mass 'm' is placed at midpoint between two fixed charges. For a small displacement along the line joining the…2022 · MCQ