A spring balance is calibrated in an environment at a temperature of 25°C and has the following deflection/load characteristics Load (Kg) Deflection(mm) 30 It is used in an environment at a temperature of 40°C and the following deflection/ load characteristics. Load (Kg) 2 Deflection(mm) 29

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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.