The regions marked X and Y will be given as
X: Decreasing to half will quadruple the force
Y: Doubling will double force
What is electrical force?
The electric force between charged bodies at rest is conventionally called electrostatic force or Coulomb force. Although the law was known earlier, it was first published in 1785 by French physicist Charles-Augustin de Coulomb, hence the name.
Coulomb's law was essential to the development of the theory of electromagnetism, maybe even its starting point,[1] as it made it possible to discuss the quantity of electric charge in a meaningful way.
The law states that the magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them.
[tex]F=\dfrac{kq_1q_2}{r^2}[/tex]
Hence the regions marked X and Y will be given as
X: Decreasing to half will quadruple the force
Y: Doubling will double force
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