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.
Electric potential, also called the electric field potential, is the amount of electric potential energy that a charged particle would have at a certain point in space. The voltage, also called potential difference between two points in space is the difference of the electric potentials of those two points.