Block 4 - 1F - Antenna

High frequencies require longer antennas

• True

• False

Antennas radiate or intercept electrostatic wave energy

• True

• False

The size and shape of an antenna is determined by

• Frequency, power, and direction

• Frequency, voltage, and direction

• Frequency, gnomes, and direction

• Frequency, distance, and direction

The signal energy sent into space is sent from the...

• Reciprocating antenna

• Transmitting antenna

• Receiving antenna

• Efficient antenna

What is an example of antenna reciprocity

• Making and receiving phone calls

• Turning on a blender

• Typing on a keyboard

• Lights flashing

Which of these describe antenna gain?

• An indication on how much power RF signal requires for an antenna to explade or reciprocate in a specific direction

• An indication on how much power RF signal requires for an antenna to transmit in a specific direction.

• An indication on how much power RF signal requires for an antenna to recieve in a specific direction.

• An indication on how much power RF signal requires for an antenna to transmit OR recieve in a specific direction.

To compare antennas power supplied to the power radiated away, we use...

• Antenna efficiency formula

• I can't write the equation but this answer is the equation

• Polarization formula

• Radiation patterms

Basic antenna systems consist of

• Coupling device, feeder, antenna

• Coupling device, vacuum, antenna

• Feeder, floater, antenna

• Feeder, amplifier, spacer disks

What does the coupling device connect to?

A moving eletric field creates a...

• Magnetic field (H)

• Electric field (E)

• A job in your field (C)