Examlex
Bacterial strains that are characterized by biochemical differences are called __________.
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.
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