​Noise Can Be Introduced into Copper, Aluminum, and Other Wire

question 52

Multiple Choice

​Noise can be introduced into copper, aluminum, and other wire types by ____.

• A) ​spectral interference
• B) ​hyperspectral interference
• C) ​electromagnetic interference
• D) ​optical interference

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Definitions:

Trade Restrictions

Regulations and policies that governments enact to control the free trade and exchange of goods and services across borders.

Import Quota

A restriction enforced by the government on the volume or price of merchandise that may be imported into a country.

Tariff

A tariff is a tax imposed by a government on imported or exported goods to regulate trade, often to protect domestic industries.

Free Trade

An economic policy that allows imports and exports between countries with minimal governmental restrictions or tariffs.