Which of the Following Is a Type of Public Alerting

question 24

Multiple Choice

Which of the following is a type of public alerting system?

• A) Direct-line telephone
• B) Dispatch transmission
• C) Two-way radio system
• D) Wired telegraph circuit box

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Definitions:

Amperage

The measure of the flow of electric current in amperes.

Electrical Current

The flow of electric charge through a conductor, enabling the functioning of electrical systems and devices.

Ohm's Law

A fundamental principle of electrical engineering stating that the current through a conductor between two points is directly proportional to the voltage across the two points.

E = I x R

Ohm's law, stating that the electric current (I) through a conductor between two points is directly proportional to the potential difference (V) across the two points.