Table of Contents
- 1 What will happen if it is kept in non uniform electric field?
- 2 Why the electric field of a point charge is not uniform?
- 3 Is electric field generated by a point charge uniform or non uniform?
- 4 Why is the electric field of a point charge not uniform?
- 5 Will a charged particle in a non-uniform electric field follow a rectilinear motion?
What will happen if it is kept in non uniform electric field?
If an electric dipole is placed in a nonuniform electric field, then the positive and the negative charges of the dipole will experience a net force. And as one end of the dipole is experiencing a force in one direction and the other end in the opposite direction, so the dipole will have a net torque also.
What will happen to torque if field is non uniform?
No torque and no net force. Now, for a non-uniform electric field there will be a torque on the dipole but also a net force. Once the dipole comes parallel to the electric field vector a force will act on the dipole in the direction of increasing field.
What happens if electric field is non uniform for a electric dipole?
When a dipole is placed in an electric field, the opposite charges on the dipole both experience a force due to the electric field. Hence the dipole will experience both force and torque when placed in a non uniform electric field.
Why the electric field of a point charge is not uniform?
Electric field lines produced by a point charge project radially outward from the charge. Since, the field lines are not parallel and equidistant, therefore the field lines are not uniform.
When an electric dipole is kept in a non uniform electric field torque acting on it may be zero?
Note: Here the option is also given which says that torque is always zero which can’t be possible in both the case either its uniform electric field or non-uniform. It will be zero only if the electric field is parallel or antiparallel.
Is the electric field due to a point charge uniform or non uniform?
The electric field of a point charge is uniform. A charged particle always move in the direction of electric field.
Is electric field generated by a point charge uniform or non uniform?
So, a point charge does not create a uniform electric field. Again, the electric field decreases with increasing distance from the line so it does not create a uniform electric field.
What happen when an electric dipole is placed in non uniform electric field what will be the force and torque on dipole when held parallel to direction of field?
The direction of electric dipole moment is from negative to positive charge. Hence the resultant force will always be non-zero. In case the electric dipole gets parallel or antiparallel to the electric field then the torque will be zero.
What happens to the system if the EF is non uniform if E is increasing what is the torques in the system when dipoles are 1 parallel A and 2 antiparallel to electric field?
The torque τ = p × E = pESinθ. when p and E are parallel then angle θ between the two vectors is zero, hence there will not be any torque.
Why is the electric field of a point charge not uniform?
An electric field is called uniform if its strength does not change with distance. The electric field of a point charge is not uniform, because it strongly weakens when distance from the charge increases. It weakens proportional to (1/r 2) and its field lines diverge or open up very quickly in space.
Does the direction of a dipole point in a uniform field?
The DIRECTION that the dipole points does not depend upon whether the field is uniform or not. The net FORCE on the dipole will be zero for a uniform field, non-zero for the non-uniform field. The direction of the force in a non-uniform field will be in the direction of the stronger field.
How does a dipole experience torque in a magnetic field?
In a uniform magnetic field, the dipole experience a torque and torque is due to the couple of forces – qE and +qE experienced by the opposite poles of a dipole and the forces being equal in magnitude, opposite in direction and separated by a finite distance.
Will a charged particle in a non-uniform electric field follow a rectilinear motion?
No, it will not follow a rectilinear motion .When a point charge is released in a Non-uniform electric field then it will experience a force qE in this field, since E is not constant therefore the force is not a constant .The path followed by charged particle in Non-uniform electric field depends on the initial velocity and nature of the charge.