Examlex
Which of the following processes did NOT contribute gas to Earth's secondary atmosphere?
Brushes
Stationary devices used to conduct current to or from a rotor in electrical components such as alternators and motors.
Slip Rings
Stationary devices used to conduct current to an alternator rotor.
Stator Windings
The wire coils located in the stator of an electric motor or generator that create a magnetic field when current flows through them.
Field Windings
Field Windings are coils of wire within electrical generators or motors that create a magnetic field when current is passed through them, essential for the induction of voltage in generators or the creation of torque in motors.
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