The Speed of the Synchronous Motor Used to Sense Time

question 19

Multiple Choice

The speed of the synchronous motor used to sense time is proportional to its number of poles and the _______hertz line frequency.

• A) 40
• B) 50
• C) 60
• D) 70

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Definitions:

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled or sensed in any way).

Accommodation

In psychology, it refers to the process by which individuals adjust their schemas or understanding in response to new information; in ophthalmology, it's the eye's ability to change its focus to see objects at different distances.

Binocular Depth

The ability to perceive the world in three dimensions and judge the distance of objects, thanks to the different visual images each eye perceives.

Linear Perspective

A depth cue that involves parallel lines converging as they recede into the distance, helping the brain perceive depth in a two-dimensional image.