Electric field strength is a quantitative expression of the intensity of an electric field at a particular location. The field strength at a particular distance from an object is directly proportional to the electric charge, in coulombs, on that object.Click to see full answer. Similarly, you may ask, what is the definition of electric field strength?Electric field strength is defined at a point in the field as being equal to the force that would be exerted on a small unit charge (one coulomb) placed at that point. Electric field strength is also known as electric field intensity and is an expression of the intensity of an electric field at a particular location.Likewise, what is electric field formula? E = kQ / r2. Where r is a unit vector of the distance r with respect to the origin. This value E(r) [SI unit N/C] amounts to an electric field of each charge based on its position vector r. When another charge q is brought at a certain distance r to the charge Q, a force is exerted by Q equal to: FQ = kQq/ r2. In this regard, how strong is the electric field? …free electron in a strong electric-field. When the strength of the field is above about 104 volts per centimetre, an electron can gain enough energy between collisions to cause secondary ionization in the gas. After such an ionizing collision, two free electrons exist in place of the original one.What is the unit of electric field?The SI units of the electric field are newtons per coulomb (N/C), or volts per meter (V/m).
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