Electric field created by electron will be towards the origin grazing -z axis.
Electron:
An electron is a subatomic particle that carries a negative electric charge.
it is nearly massless and is considered to be an elementary particle
An electron creates electric field when it is in motion or rest.
The direction of the electric field created is always towards the center of electric field.
Here the electron is placed on origin and therefore the field created will also be in same direction i.e. towards the center along the -z axis.
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