Electric Field:

The electric field is the space which surrounds charged objects. Every charged object (an electron or an electric circuit, for instance) creates an electric field. This field exerts a force on electric charges, which are inside of that field.

Electric fields are invisible, just like an electric current. Nevertheless, one can draw so-called field lines in order to visualize the effect of the field. The following rules for the construction of the field line model are important:
- field lines always run from positive to negative
- field lines never cross each other

Here you can see some examples for drawn electric fields with field lines - the field of a positive pole, and the field between a positive and a negative pole:
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