This is what his mother would call him, and according to David's recollection his mother told him that if she hadn't abused him so severely she would have killed him and buried him out in the backyard. It was only a very on the ball teacher that saw the plight David was in and reported the abuse.his is what his mother would call him, and according to David's recollection his mother told him that if she hadn't abused him so severely she would have killed him and buried him out in the backyard. It was only a very on the ball teacher that saw the plight David was in and reported the abuse.
IMHO, AC Propulsion (Tesla Motors) uses AC because a mechanically commutated DC motor that meets the high turn down ratio of a vehicle application is more complex than an electronically commutated AC motor.
Tesla's discovery of the rotating magnetic field produced by the interactions of two and three phase alternating currents in a motor winding was one of his most significant achievements of the century, and formed the basis of his induction motor and polyphase system for the generation and distribution of electricity.