During the First Half of the 20^th Century

question 16

Multiple Choice

During the first half of the 20^th century,

• A) scientific and mathematical theory caught up with and surpassed the arts in public schools.
• B) Western universities spent millions of dollars racing each other to develop new technology.
• C) Studying about and trying to explain the process of human life became much more accessible for the ordinary person.
• D) universities in the West gained recognition as the intellectual centers of the world.
• E) as the sciences became more specialized, they became more difficult for the lay person to understand.

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Definitions:

Operating Characteristics

The specific features or parameters that define the performance of a system or device under specific conditions.

Inverter

An electronic device that converts direct current (DC) into alternating current (AC), used in a variety of applications including power supplies and motor drives.

DC Bus

A type of electrical bus, which serves as a common connection point for direct current (DC) power within a power distribution system.

Across The Line

Refers to a method of starting electric motors where the motor is directly connected to the power line, resulting in full line voltage being applied.