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Maybe you have opened the hood of your car and wondered what went on in there? A car engine can look to the uninitiated like a confusing jumble of wires, tubes and metal.
You might want to know what's going on simply out of curiosity. Or you may be purchasing a new auto, and you hear things like "3.0 liter V-6" and "double overhead cams" and "tuned port fuel injection." What does that all mean?
A DC motor is just about a class of rotary electrical machines which converts direct current electrical energy into mechanical energy. The most common types rely upon the forces made by magnetic fields. Virtually all types of DC motors have some mechanism electronic or electromechanical, to periodically alter the direction of current flow in a part of the engine.
DC motors were the kind because they are powered by present lighting power distribution systems. By altering the strength of the current in its own field windings over a range, using either a varying supply voltage or the speed of A DC motor can be controlled. Small DC motors are used in tools, toys, and appliances. The universal motor may operate on current but is a motor used for appliances and power tools. Larger DC motors are used in drives for metal mills, or in propulsion of vehicles, lift and hoists. The debut of power electronics has made replacement of DC motors with AC motors possible.
The electric engine's world affect before light bulbs: 
The power systems and Trolleys were quite expensive to develop but transported millions of people to operate in the 1880s. Until the increase of the energy grid at the 1890s most folks (low and middle courses) even in towns did not have the electrical light in the house.
It wasn't until 1873 that the electric motor attained success that is commericial. Since the 1830s tens of thousands of engineers have created variations and motors. See other pages for more detail on the vast history of the electric motor.
Motor leads to the generator: 
After weak electrical motors had been created by Faraday and Henry, another early pioneer named Hippolyte Pixii figured out that by running the motor backward he could make pulses of electricity. From the 1860s generators were being developed. Until generators were developed because batteries weren't an economical means to power society's demands, the industry could not begin. 
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