What Audio Device Converts an Electrical Current Back into a Mechanical

question 21

Multiple Choice

What audio device converts an electrical current back into a mechanical vibration to reproduce sound?

• A) A Loudspeaker
• B) A Microphone
• C) An Amplifier
• D) All of the above

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Definitions:

Enron

A former American energy company that went bankrupt in 2001 due to one of the largest accounting frauds in history.

WorldCom

Once a major telecommunications company that became infamous for its involvement in one of the largest accounting fraud scandals in history.

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The U.S. Securities and Exchange Commission, a federal agency responsible for enforcing federal securities laws and regulating the securities industry.

Accounting Principles

Fundamental guidelines or rules that govern the field of accounting and prescribe how financial transactions should be recorded and reported.