By "function" I just mean a mathematical formula.th3plan said:
There's no point in worrying about the potential from two charges until you understand how to find the potential from one charge. Look it up!
Electric potential is the measure of the potential energy per unit charge at a certain point in an electric field. It is also known as voltage and is measured in volts (V).
Electric potential is a characteristic of a point in an electric field, while electric potential energy is the potential energy of a charge at that point. Electric potential energy is dependent on the charge's position in the field, while electric potential is a fixed value at a specific point.
The formula for electric potential is V = kQ/r, where V is electric potential, k is Coulomb's constant (9x10^9 Nm^2/C^2), Q is the charge, and r is the distance from the point to the charge.
To calculate the electric potential at a point due to multiple charges, you can use the formula V = k(Q1/r1 + Q2/r2 + ... + Qn/rn), where Q1, Q2, etc. are the charges, and r1, r2, etc. are the distances from the point to each charge.
The electric potential at a point is inversely proportional to the distance from the charge. This means that as the distance increases, the electric potential decreases. This relationship follows the inverse square law, meaning that if the distance doubles, the electric potential will decrease by a factor of four.
