Examples of electric field in the following topics:

 Identify SI units of electric flux
Express the electric flux for uniform and nonuniform electric fields
Electric flux is the rate of flow of the electric field through a given area.
 For a nonuniform electric field, the electric flux is .
 Electric flux is the rate of flow of the electric field through a given area (see ).
 The red arrows for the electric field lines.
 For a nonuniform electric field, the electric flux dΦE through a small surface area dS is given by $d\Phi_E = \mathbf{E} \cdot d\mathbf{S}$ (the electric field, E, multiplied by the component of area perpendicular to the field).
 electric field (noun) A region of space around a charged particle, or between two voltages; it exerts a force on charged objects in its vicinity.

 Describe properties of the uniform electric field
Identify approximations of the uniform electric field
An electric field that is uniform is one that reaches the unattainable consistency of being constant throughout.
 The uniform electric field is an approximation that makes for simple calculations that don't require differential calculus.
 A uniform field is that in which the electric field is constant throughout.
 Equations involving nonuniform electric fields require use of differential calculus.
 Uniformity of an electric field allows for simple calculation of work performed when a test charge is moved across it.
 potential difference (noun) The difference in potential energy between two points in an electric field; the difference in charge between two points in an electrical circuit; voltage.
 electric field (noun) A region of space around a charged particle, or between two voltages; it exerts a force on charged objects in its vicinity.

 Explain the relationship between the electric potential and the electric field
Calculate the electric field from the potential difference for a uniform field
Electric potential and field are related in that potential is a property of the field that describes the field's action.
 The electric field is a measure of force per unit charge; the electric potential is a measure of energy per unit charge.
 The electric field is like any other vector field—it exerts a force based on a stimulus, and has units of force times inverse stimulus.
 In other words, the electric field is a measure of force per unit charge.
 In a more pure sense, without assuming field uniformity, electric field is the gradient of the electric potential in the direction of x:
$E_x=\frac {dV}{dx}$.
 electric potential (noun) The potential energy per unit charge at a point in a static electric field; voltage.
 electric field (noun) A region of space around a charged particle, or between two voltages; it exerts a force on charged objects in its vicinity.

 Identify law that can be used to calculate an electric field created by a point charge
Describe relationship between the sign of the charge and the direction of the field lines
A point charge creates an electric field that can be calculated using Coulomb's law.
 The electric field is a vector field around a charged particle.
 The electric field of a point charge is, like any electric field, a vector field that represents the effect that the point charge has on other charges around it.
 Let's first take a look at the definition of the electric field of a point particle:
The electric field of a positively charged particle points radially away from the charge, while the electric field of a negatively charged particle points toward the particle.
 The above mathematical description of the electric field of a point charge is known as Coulomb's law.
 vector field (noun) a construction in which each point in a Euclidean space is associated with a vector; a function whose range is a vector space

 An electric field may do work on a charged particle, while a magnetic field does no work.
 The electric field is tangent to these lines.
 Like in the case of electric field lines, the magnetic field is tangent to the field lines.
 The curl of the electric force is zero, i.e.:
$\bigtriangledown \times E=0$
A consequence of this is that the electric field may do work and a charge in a pure electric field will follow the tangent of an electric field line.
 The electric field is directed tangent to the field lines.

 A point charge creates an electric field that can be calculated using Coulomb's Law.
 The electric field is a vector field around a charged particle that represents the force that other charged particles would feel when placed near the particle creating the electric field.
 The electric field of a point charge is, like any electric field, a vector field that represents the effect that the point charge has on other charges around it.
 Let's first take a look at the definition of electric field of a point particle,
The electric field of a positively charged particle points radially away from the charge, while the electric field of a negatively charged particle points toward the particle.
 The electric field of a point charge is defined in radial coordinates.
 vector field (noun) a construction in which each point in a Euclidean space is associated with a vector; a function whose range is a vector space

 At static equilibrium, the inside of a conductor will be entirely shielded from an external electric field.
 If conductors are exposed to charge or an electric field, their internal charges will rearrange rapidly.
 Similarly, if a conductor is placed in an electric field, the charges within the conductor will move until the field is perpendicular to the surface of the conductor.
 Negative charges in the conductor will align themselves towards the positive end of the electric field, leaving positive charges at the negative end of the field.
 This occurrence is similar to that observed in a Faraday cage, which is an enclosure made of a conducting material that shields the inside from an external electric charge or field or shields the outside from an internal electric charge or field.

 Thus far, we have looked at electric field lines pertaining to isolated point charges.
 Each will have its own electric field, and the two fields will interact.
 The strength of the electric field depends proportionally upon the separation of the field lines.
 It should also be noted that at any point, the direction of the electric field will be tangent to the field line.
 As vector fields, electric fields exhibit properties typical of vectors and thus can be added to one another at any point of interest.

 This charged particle has an electric field.
 When it moves, the charged particle not only maintains its electric field, but also produces a magnetic field.
 Once in motion, the electric and magnetic fields a charged particle creates are selfperpetuating: timebased changes in one field (electric or magnetic) affect the other.
 It should be added that once in motion, the electric and magnetic fields created by a charged particle are selfperpetuating—timebased changes in one field (electric or magnetic) affect the other.
 This means that an electric field that oscillates as a function of time time will produce a magnetic field, and a magnetic field that changes as a function of time will produce an electric field.

 Charged surfaces align themselves perpendicularly relative to electric fields to achieve electrostatic equilibrium.
 An electric field, like other fields (e.g., gravitational or magnetic), is a vector field that surrounds an object .
 Lines around the positive charge represent the electric field it creates.
 When a conductor is placed in the presence of an electric field, it exhibits some interesting properties:
There is no electric field inside a charged conductor.
 Charged surfaces align themselves perpendicularly relative to electric fields.
 vector field (noun) a construction in which each point in a Euclidean space is associated with a vector; a function whose range is a vector space