A census is a count and description of the population, taken by the government, arranged by locality and by household. Read more about Scotland Census Records. Click here for a list of the Family History Library microfilm numbers for the census records of Ruthwell. Below is information for any known surname indexes:
The concept of the electric field was first introduced by 19th century physicist Michael Faraday. It was Faraday's perception that the pattern of lines characterizing the electric field represents an invisible reality.
Sources of electric field. Causes and description. Electric fields are caused by electric charges or varying magnetic fields. The former effect is described by Gauss's law, the latter by Faraday's law of induction, which together are enough to define the behavior of the electric field as a function of charge repartition and magnetic field.