Multiplex Systems Transmit

question 20

Multiple Choice

Multiplex systems transmit:

• A) voice simultaneously in two ways.
• B) on the same frequency as they receive.
• C) using digital encryption technology.
• D) voice and data simultaneously.

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Definitions:

Relay

An electrically operated switch that uses a small electrical current to control a larger circuit.

Iron

A chemical element used primarily as a base material in steel manufacturing, known for its durability and magnetic properties.

Permeability

In physics, it's a measure of the ability of a material to support the formation of a magnetic field within itself, symbolized by the Greek letter µ.

Magnetic Lines

Imaginary lines used in models and diagrams to represent the strength and direction of a magnetic field around a magnet or an electric current.