What is Coulomb's law of electrostatics?

Answer 1

It describes the amount of force between two electrical charges. The force is actractive if charges are of opposite sign (+ and -), repulsive if charges are of same sign (-- or ++).

The dielectric constant (dc) between the two charges modulates the force, which is proportional to the product of the two charges, Q1 and Q2. The force decreases as the distance between the two charges increases, as indicated by the square of the distance: F=(dcQ1Q2)/r^2.

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Answer 2

Olivia Askew

Coulomb's law of electrostatics states that the electrostatic force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between their centers. Mathematically, it is expressed as ( F = k \frac{q_1 q_2}{r^2} ), where ( F ) is the electrostatic force, ( q_1 ) and ( q_2 ) are the magnitudes of the charges, ( r ) is the distance between the charges, and ( k ) is Coulomb's constant, a proportionality constant.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.