EASY
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An electric dipole is placed inside a cube. What will be the nature of electric flux from the cube surface?
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Important Questions on Interaction of Charged Particles, Electric Field and Potential
MEDIUM
A point dipole with dipole moment, is kept at the origin. An external electric field given by is applied on it. Which one of the following statement is true ?
MEDIUM
An electric dipole of dipole moment is placed parallel to the uniform electric field of intensity On rotating it through the amount of work done is _______.
EASY
In the figure the net torque acting on the dipole is
MEDIUM
A dipole is placed in a uniform electric field with its axis parallel to the field. It experiences:
MEDIUM
An electric dipole is kept in a uniform electric field with its axis inclined at some angle to the electric field. It experiences
EASY
An electric dipole consisting of charges and separated by a distance is in stable equilibrium in a uniform electric field .The electrostatic potential energy of the dipole is :
MEDIUM
An electric dipole is formed with two point charges and and separated by a distance of . The work done in rotating the dipole through from the position of equilibrium in a uniform electric field is
HARD
An electric dipole having a dipole moment is initially aligned along a uniform electric field . If the dipole is rotated from its equilibrium position by a small angle, it would execute simple harmonic oscillation. If the moment of inertia of the dipole is , the period of oscillation is
EASY
A dipole of dipole moment and moment of inertia is placed in a uniform electric field . If it is displaced slightly from its stable equilibrium position, the period of oscillation of dipole is
EASY
An electric dipole of length is placed in an uniform electric field of at an angle of with the charges and on the dipole. The dipole experiences a torque of
MEDIUM
An electric dipole of dipole moment is placed in a uniform electric field of strength . If is the angle between the positive direction of and , then potential energy of the dipole is largest when is
HARD
An electric dipole has fixed dipole moment , which makes angle with respect to axis. When subjected to an electric field it experiences a torque . When subjected to another electric field it experiences a torque . The angle is:
EASY
An electric dipole of length having charges , placed at with respect to a uniform electric field experiences a torque of magnitude . The magnitude of the electric field is
EASY
An electric dipole having point charges and , separated by a fixed distance is kept under the influence of a uniform electric field , such that the axis of the dipole is making an angle with the direction of , as shown in the figure. If the electric dipole is allowed to rotate in the -plane with its center being stationary, what is the magnitude of the net torque acting on the electric dipole?
HARD
An electric dipole lies in an electric field in such a position that its dipole moment is It is rotated so that the dipole moment becomes The work done by the external agent is
EASY
Two electric dipoles of dipole moments and are placed in two difference uniform electric fields of strengths and respectively. The ratio of maximum torque experienced by the electric dipoles will be . The value of is _____ .
MEDIUM
Statement-I : A point charge is brought in an electric field. The value of electric field at a point near to the charge may increase if the charge is positive.
Statement-II : An electric dipole is placed in a non-uniform electric field. The net electric force on the dipole will not be zero.
EASY
An electric dipole consists of two opposite charges, each of magnitude separated by a distance of The dipole is placed in an external field of The maximum torque on the dipole is
MEDIUM
An electric dipole is formed by two equal and opposite charges with separation . The charges have same mass m. It is kept in a uniform electric field If it is slightly rotated from its equilibrium orientation, then its angular frequency is:
EASY
An electric dipole is placed at an angle of with an electric field intensity . It experiences a torque equal to . The charge on the dipole, if the dipole length is , is
