Antenna Construction and Metal Conductors

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What type of metal conductor is the best for antennas?

Gold (correct)

Copper

Steel

Aluminum

Which metal does not provide the degree of conductivity necessary to satisfy communications needs?

Copper

Gold

Aluminum (correct)

Steel

What is the range of frequencies over which an antenna is designed to operate efficiently called?

Bandwidth (correct)

Resistance

Amplitude

Conductivity

Which metal conducts electromagnetic energy but may weaken the signal too much as the energy travels along it?

Steel Signup and view all the answers

What does a resistor do?

Restricts or stops the flow of electrons Signup and view all the answers

Which metal provides an excellent, relatively inexpensive conductor for most antenna applications?

Copper Signup and view all the answers

What determines the effectiveness of an antenna in transmitting or receiving radio waves?

The polarization of the radio waves Signup and view all the answers

What is the function of a rubber insulator around a wire?

To act as a resistor Signup and view all the answers

What does the width of an antenna lobe determine?

The beamwidth of the antenna Signup and view all the answers

What is the purpose of a broadband antenna, such as a television antenna?

To operate over a wide range of frequencies Signup and view all the answers

What does a transmission line do in an antenna system?

Connects the antenna to the operations building Signup and view all the answers

What is a transducer designed to do in relation to electromagnetic energy?

Convert electrical energy into electromagnetic energy or vice versa Signup and view all the answers

What is the main purpose of an antenna system?

To radiate or receive electromagnetic energy Signup and view all the answers

What happens to the strength of the radio wave when traveling from a transmitting antenna to a receiving antenna?

It gets attenuated or weakened Signup and view all the answers

What is the role of an antenna array?

Radiating or receiving electromagnetic energy Signup and view all the answers

What determines the dimensions of a transmitting antenna?

The frequencies used for transmission Signup and view all the answers

Antenna Construction and Metal Conductors

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