The formula for finding the potential minimum of two point charges is V = k(Q1Q2)/r, where k is the Coulomb's constant, Q1 and Q2 are the magnitudes of the charges, and r is the distance between the charges.
The potential minimum is directly proportional to the magnitudes of the charges and inversely proportional to the distance between them. This means that as the magnitudes of the charges increase, the potential minimum also increases, and as the distance between the charges increases, the potential minimum decreases.
Yes, the potential minimum can be negative. This occurs when the charges have opposite signs and are close together. In this case, the potential energy is negative, indicating that the charges are attracted to each other.
The electric field is related to the potential minimum by the equation E = -∇V, where ∇V is the gradient of the potential. This means that the direction of the electric field is in the direction of decreasing potential, and the magnitude of the electric field is directly proportional to the rate of change of potential.
Yes, the potential minimum can be used to determine the force between the charges. The force between two charges can be calculated using the equation F = k(Q1Q2)/r^2, where k is the Coulomb's constant, Q1 and Q2 are the magnitudes of the charges, and r is the distance between the charges. The potential minimum can then be used to calculate the potential energy, which is equal to the negative of the work done by the electric force.