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When is the electric field zero?
The electric field is zero at points where the electric charges are balanced or canceled out, resulting in no net electric force acting on that point.
What is the behavior of the electric field outside a solenoid?
The behavior of the electric field outside a solenoid is generally weak and negligible. The majority of the electric field lines are confined within the solenoid, resulting in minimal influence outside of it.
Why does the electric field inside a dielectric decrease when it is placed in an external electric field?
The net electric field inside a dielectric decreases due to polarization. The external electric field polarizes the dielectric and an electric field is produced due to this polarization. This internal electric field will be opposite to the external electric field and therefore the net electric field inside the dielectric will be less.
What is the electric field intensity at the mid point of dipole?
The electric field intensity at the midpoint of a dipole is zero. This is because the electric fields created by the positive and negative charges of the dipole cancel each other out at that point, resulting in a net electric field intensity of zero.
What controls the flow of current with an electric field?
The flow of current in a material is controlled by its conductivity, which is influenced by the presence of an electric field. When an electric field is applied, it can cause charged particles in the material to move, resulting in the flow of current. The conductivity of the material determines how easily current can flow in response to the electric field.
Under electrostatic conditions, why is there no electric field inside a solid conductor?
Under electrostatic conditions, there is no electric field inside a solid conductor because the free electrons in the conductor redistribute themselves to cancel out any external electric field, resulting in a net electric field of zero inside the conductor.
Why flux is maximum when area is perpendicular to electric field?
When the area is perpendicular to the electric field, the maximum number of electric field lines pass through the area, resulting in the maximum flux. This occurs because the angle between the electric field lines and the normal to the area is at its smallest, maximizing the dot product that determines flux.
How does increasing the electric field magnitude along a wire affect the current density?
Increasing the electric field magnitude along a wire will increase the current density. This is because a higher electric field will cause more electrons to move through the wire, resulting in a higher flow of electric current.
When a positively charged object moves in the same direction as the electric field the electric potential energy of the object is it increases or does it decreases?
If a positively charged object moves in the same direction as the electric field, its electric potential energy decreases. This is because work is done by the electric field on the object as it moves, resulting in a reduction in its potential energy.
What happens to the electric field around a single charge when another chrage is added to the system?
When another charge is added to the system, the electric field due to the first charge will be affected. The electric field will combine or interfere with the new charge's field, resulting in a new overall electric field in the region. The strength and direction of the electric field at a point will be determined by the superposition of the fields due to each individual charge.
What is fringing electric field?
The fringing electric field is an electric field that extends beyond the physical boundaries of a charged object, resulting in non-uniform field lines and potential gradients around the object. It is often seen in situations where the electric field interacts with nearby objects or surfaces, causing distortions in the field lines.
What is maximum and minimum electric flux?
As we know that electric flux is the total number of electric lines of forces passing through a surface. Maximum Flux: Electric flux through a surface will be maximum when electric lines of forces are perpendicular to the surface. Minimum flux: Electric flux through a surface will be minimum or zero when electric lines of forces are parallel to the surface.
