-An Engineer Is Designing a P

question 6

Multiple Choice

-An engineer is designing a P.A. system. He intends to use a 300 Ω microphone and 8 Ω speakers. What values of Zin and Zout should this P.A. system amplifier have?

• A) Zin = 8 Ω, Zout = 300 Ω
• B) Zin = 300 Ω, Zout = 8 Ω
• C) Zin much greater than 8 Ω and Zout much lower that 300 Ω
• D) Zin much lower than 300 Ω and Zout much greater than 8 Ω

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Definitions:

Productive Avoidance

A behavior or strategy focusing on doing useful tasks as a means to avoid confronting more challenging or discomforting issues.

A Tasks

Tasks that are defined as primary and crucial for the accomplishment of a specific goal or objective.

Homeostasis

The tendency of a system, especially the physiological system of higher animals, to maintain internal stability, due to the coordinated response of its parts to any situation or stimulus that would disturb its normal condition.

Stress

A state of mental or emotional strain resulting from adverse or demanding circumstances.