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

Electrostatics question

2008 · Shift 2 · Q46
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Advanced
  3. /Physics
  4. /Electrostatics
  5. /2008 · Shift 2 · Q46

Electrostatics question

2008 · Shift 2 · Q46

JEE AdvancedPhysicsElectrostaticsMCQ+3 / −1
Consider a system of three charges q3,q3{q \over 3},{q \over 3}3q​,3q​ and −2q3- {{2q} \over 3}−32q​ placed at points A, B and C, respectively, as shown in the figure. Take O to be the centre of the circle of radius R and angle CAB = 60 ∘^\circ∘ IIT-JEE 2008 Paper 2 Offline Physics - Electrostatics Question 15 English
  1. A
    The electric field at point O is q8πε0R2{q \over {8\pi {\varepsilon _0}{R^2}}}8πε0​R2q​ directed along the negative x-axis
  2. B
    The potential energy of the system is zero
  3. C
    The magnitude of the force between the charges at C and B is q254πε0R2{{{q^2}} \over {54\pi {\varepsilon _0}{R^2}}}54πε0​R2q2​
  4. D
    The potential at point O is q12πε0R{q \over {12\pi {\varepsilon _0}R}}12πε0​Rq​
PreviousNext

More from Electrostatics

  • A parallel plate capacitor C with plates of unit area and separation d is filled with a liquid of dielectric constant K = 2. The level of liquid is 3d​ initially. Suppose the liquid level decreases at a constant speed V, the time… Includes diagram2008 · MCQ
  • STATEMENT 1 : For practical purposes, the earth is used as a reference at zero potential in electrical circuits. and STATEMENT 2 : The electrical potential of a sphere of radius R with charge Q uniformly distributed on the surface is given…2008 · MCQ
  • The nuclear charge (Ze) is non-uniformly distributed within a nucleus of radius R. The charge density ρ(r) [charge per unit volume] is dependent only on the radical distance r from the centre of the nucleus as shown in figure. The… Includes diagram2008 · MCQ
  • The nuclear charge (Ze) is non-uniformly distributed within a nucleus of radius R. The charge density ρ(r)[charge per unit volume] is dependent only on the radical distance r from the centre of the nucleus as shown in figure. The… Includes diagram2008 · MCQ
  • The nuclear charge (Ze) is non-uniformly distributed within a nucleus of radius R. The charge density ρ(r) [charge per unit volume] is dependent only on the radical distance r from the centre of the nucleus as shown in figure. The… Includes diagram2008 · MCQ
  • A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinder are initially electrically neutral.2007 · MCQ
  • Consider a neutral conducting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then,2007 · MCQ
  • A spherical portion has been removed from a solid sphere having a charge distributed uniformly in its volume as shown in the figure. The electric field inside the emptied space is Includes diagram2007 · MCQ