A voltmeter that reads 0-100 volts has a 200-division on its scale that can be read up to half-division, what is the lowest reading of the scale in volts

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.