They are because they can.
A generator
The device that converts electrical energy to mechanical energy is an electric motor. Electric motors are also used as generators in hybrid automobiles to convert mechanical energy back to electrical energy.
The basic idea behind a generator is that it converts mechanical energy (kinetic) to electrical energy in the form of electric current. A motor does this process in reverse: it uses electrical energy and converts it into mechanical energy (it produces motion). This is, presumably, what your physics teacher wants to hear.
All the electric motors/generators in your life. For instance: an electric egg-beater, the "alternator" and the starter in your car, vacuum cleaners.
Heaters (With Resistive Coils) will change Electrical Energy into Heat Energy. Electric Motors (AC and DC) will convert Electrical Energy into Motion Energy.
They are because they can.
Electric motors take electric energy and turn it into kinetic energy Generators take mechanical energy and turn it into electric energy
Electric motors and generators are electromagnetic devices that are the opposite of each other. Electric motors convert electrical energy into mechanical energy, while electric generators convert mechanical energy into electrical energy.
A generator
Radio, electric bell, speakers, motors, generators, microphones etc.
The device that converts electrical energy to mechanical energy is an electric motor. Electric motors are also used as generators in hybrid automobiles to convert mechanical energy back to electrical energy.
Motors convert electrical energy to mechanical energy. Generators transfer mechanical energy to electrical energy.
They are neither. Coal is a fuel which can be used to run motors and generators.
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The basic idea behind a generator is that it converts mechanical energy (kinetic) to electrical energy in the form of electric current. A motor does this process in reverse: it uses electrical energy and converts it into mechanical energy (it produces motion). This is, presumably, what your physics teacher wants to hear.
Pericles Emanuel has written: 'Motors, generators, transformers, and energy' -- subject(s): Electric machinery
Electric Motors • The electric motor converts electrical energy into mechanical energy • The shaft of a motor is driven by the magnetic forces developed between the armature and field • Current has to be supplied to the armature winding. • Motors obey Fleming`s Left Hand Rule • Electric Motors Fleming`s Left Hand Rule The Left Hand Rule shows what happens when charged particles enter a magnetic field. Generators • A generator converts mechanical energy into electrical energy. • A shaft attached to the rotor is driven by a mechanical force • Electric current is produced in the armature windings. • Generators obey Fleming's Right Hand Rule • Generators The Right Hand Rule shows how a current-carrying wire generates a magnetic field.