stator
armature..!
The part that rotates inside of an electric motor is called the rotor.
Yes. Usually two - called rotor and stator.
an electromagnet
amature
A magnet
The commutator and brushes...
amature
The resistor allows current to enter the electromagnet in an electric motor. The resistor regulates the amount of current that enters the electric motor.
Convert electrical energy to energy of motion...
A choke, an electromagnet, an electric motor stator, an electric motor rotor, etc. all depending on details of construction and use that are unstated in the question.
Through an electromagnet- most commonly when the electromagnets are part of an electric motor.