Basically all the motors run by "Electromagnetic induction" principle which was set by Michael Faraday.This principle also known as "Faradays law of electromagnetic induction".
Principles are made
yes.
Gregor Mendel
analysis of data, experiments, observation
Euclid
That the principles of reality are to be discovered by the study of the processes of thought
Brunelleschi
Natural law
He designed the Gregorian Telescope and discovered the principles of diffraction gratings.
Alexander Fleming discovered penicillin, Louis Pasteur discovered the principles of vaccination and pasteurization, and Anton Van Leeuwenhoek discovered the existence of microorganisms through his early microscope.
The concept of upthrust, also known as buoyancy force, was first discovered by the ancient Greek mathematician and physicist Archimedes. He made the discovery while trying to determine the principles of flotation.
Gregor Mendel was famous because he discovered the basic principles of heredity and laid the mathematical foundation of the science of genetics.