Basic equipotential surfaces set for multimeter and power supply

Function

Intended for study, physics laboratory, physics experiments on: Electrostatics. Equipotential surfaces, field lines and electric field vector between point electrodes. Connecting points and understanding the equipotential surface between two electrodes. The positioning of equipotential surfaces in relation to field lines and the electric field vector. Equipotential surfaces, field lines and electric field vector between flat and parallel electrodes. Connecting points and understanding the equipotential surface between two flat and parallel electrodes. The Faraday cage and electrostatic shielding. The equipotential surfaces of an electric field. Electrostatic shielding, etc.
Note: Multimeter and power supply not included.