In a Survey, What Is Meant by Demographic Questions and Why

question 116

Essay

In a survey, what is meant by demographic questions and why might we want to include demographic questions in survey?

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Definitions:

Excitation Current

(1) The DC used to produce electromagnetism in the fields of a DC motor or generator, or in the rotor of an alternator or synchronous motor; (2) The AC that flows in the primary of a transformer with no load connected.

Primary

Referring to the first or main element of a system or device, such as the primary coil in a transformer.

Secondary

Refers to the coil or winding in a transformer that receives energy from the primary winding and delivers it to the load.

Hysteresis

The lag in response exhibited by a body when external forces are applied and removed, often observed in magnetic and mechanical systems.