In a uniform electric field, the electrostatic forces on each of the charges will cancel out exactly, but in a non-uniform one the forces on the two will be slightly different, leading to a slight imbalance and therefore a non-zero net force.
What happen if electric field is not uniform?
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 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. Therefore, the correct answer is option (B).
What is non uniform electric field?
When magnitude and direction of electric intensity are not the same at all the points in the electric field, then it is called a non-uniform electric field.
What does it mean if the electric field is uniform?
A field in which the value of the field strength is the same at all points. For example, a uniform electric field exists between two parallel charged plates.
What happens if the field is uniform?
A uniform electric field is a field in which the value of the field strength remains the same at all points. In a uniform electric field, as the field strength does not change and the field lines tend to be parallel and equidistant to each other. They are equally spaced.
What happens when an electric dipole is placed in a uniform electric field?
Electric dipole in a uniform electric field
When an electric dipole is placed in a uniform electric field, it experiences a torque but no force. … The net force acting on a dipole placed in a uniform electric field is zero. The forces on the two charges constituting the dipole are equal and opposite.
Is it possible a dipole is placed in uniform electric field but it doesn’t rotate?
When a dipole is placed in a uniform electric field and dipole vector direction is not parallel to field direction, each chargs of dipole experiences a force. Magnitude of the two forces are equal but in opposite direction. … Hence in uniform field, dipole experiences only torque.
When an electric dipole is held at an angle in a non uniform electric field the net force F and torque T on the dipole are?
Answer: the forces experienced by the 2 charges constituting the electric dipole when placed in an uniform external electric field are equal and opposite in nature, the net force on the dipole is zero. No torque act on the dipole when the moment of electric dipole is parallel to the electric field.
What is the net force acting on an electric dipole placed in a non uniform electric field?
Its dipole moment is given as a product of charge and the separation between the charges. The direction of electric dipole moment is from negative to positive charge. Hence the resultant force will always be non-zero.
What is the difference between uniform and nonuniform electric field?
If an electric field has the same magnitude and same direction everywhere in a given space then this electric field is uniform, and if either the magnitude or direction or both change then it is a non-uniform electric field in that specified space.
What do you mean by uniform field and non uniform field?
We call a magnetic field uniform in a definite area of space if the magnetic field in that space has a stable magnitude and always points in a similar way. Any time the field has varying magnitude or direction, the field is non-uniform.
What is the difference between uniform and non uniform magnetic field?
Uniform magnetic field lines will be parallel to each other, non uniform magnetic field lines are not parallel. Number of field lines per unit area does not changes with position for uniform magnetic field, but the no of field line per unit area is position dependent for non uniform field line.
Why are the fields around a point charge described as non uniform?
The electric field is generated by a charge q. The larger the charge, the greater the strength of the electric field around the charge. In addition, the further we go from the charge, the weaker the electric field strength becomes. Point charges or charges on spheres produce non-uniform electric fields.
What does it mean when something is uniform?
1 : having always the same form, manner, or degree : not varying or variable uniform procedures. 2 : consistent in conduct or opinion uniform interpretation of laws.
Is uniform electric field possible?
The force on the charge is the same no matter where the charge is located between the plates. This is because the electric field is uniform between the plates.