The Efficient Level of Pollution Is Achieved by Eliminating All

question 10

True/False

The efficient level of pollution is achieved by eliminating all pollution from the environment.

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Definitions:

Output Frequency

The frequency at which an electronic device, such as an oscillator or amplifier, outputs its signal.

Revolving Armature Type

A design in electrical generators where the armature, or the part that generates electricity, rotates within a stationary magnetic field.

Sliprings

Circular bands of metal placed on the rotating part of a machine. Carbon brushes riding in contact with the sliprings provide connection to the external circuit.

Commutators

A mechanical switch used in some electric motors and electrical generators to reverse the direction of current flow in the coils.