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Homework Statement
A charge of +6.0µC at point A is separated 10.0 cm from a charge of -2.0µC at point B. At what locations on the line that passes through the two charges will the total electric potential be 0?
Total electric potential is the sum of the electric potential from all individual charges in a given space. It is a measure of the potential energy that a unit charge would have if placed in that space.
Total electric potential can be calculated by adding the individual electric potentials of all charges in a given space. The formula for electric potential is V=kQ/r, where k is the Coulomb's constant, Q is the charge, and r is the distance from the charge to the point where the potential is being measured.
Total electric potential is zero when the sum of all individual electric potentials in a given space is equal to zero. This can happen when the charges in the space are arranged in such a way that their positive and negative potentials cancel each other out.
When total electric potential is zero, it means that there is no potential energy for a unit charge at any point in the given space. This can occur in situations where there is a balance between positive and negative charges, or when there are no charges present in the space.
The concept of total electric potential is related to electric fields in that electric potential is directly proportional to electric field strength. In other words, where there is a high electric potential, there is also a strong electric field. The direction of the electric field is also determined by the direction of the change in electric potential.