# Frequent question: What is the electric field at the Centre of an electric dipole?

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The electric dipole moment, in the case of a simple electric dipole, points from the negative charge to the positive charge and has a magnitude equal to the strength of each charge multiplied by the distance between the charges. Using the equation, we can calculate the electric field created by a point charge.

## Is electric field a vector?

Electric field strength is a vector quantity; it has both magnitude and direction.

## Can electric field due to a dipole be zero?

Answer. If dipole moment p is zero, then E=0,but then there is no dipole which is simply defined as two equal and opposite point charges separated by finite distance. This is not possible and hence field of a dipole is not zero.

## At what position is the electric field zero?

For unlike charges, the electric field is zero outside of the smaller magnitude charge. For like charges, the electric field will be zero closer to the smaller charge and will be along the line joining the two charges.

## Can electric field be negative?

Electric field is not negative. It is a vector and thus has negative and positive directions. An electron being negatively charged experiences a force against the direction of the field. For a positive charge, the force is along the field.

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