a) Answer all question 1. The diffraction process allows reception beyond a mountain in all but a small area known as: a. Dead zone b. Shadow zone e. Masking d. Open space 2. A device that converts electrical energy into electromagnetic energy is known as: a. A light bulb b. An antenna 6. A transducer d. All of the above 3. A term used to describe variation in signal strength that occur at a receiver during the time a signal is becing received is known as: a. skipping b. refraction e. bouncing d. fading

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answer A and B

a) Answer all question
1. The
e diffraction process allows reception beyond a mountain in all but a small arca known
as:
a. Dead zone
b. Shadow zone
e. Masking
d. Open space
2. A device that converts electrical energy into electromagnetic energy is known as:
a. A light bulb
b. An antenna
c. A transducer
d. All of the above
3. A term used to describe variation in signal strength that occur at a receiver during the
time a signal is being received is known as:
a. skipping
b. refraction
c. bouncing
d. fading
b) Assume that you as an Engineer would like to transmit the information signal;
Vm - Ssint 2n6,000) V.
Calculate the wavelength of the given signal.
i)
ii)
Would it be practical to directly transmit this information signal using an antenna
(assume you are using dipole antenna)? Why/why not?
c) Electromagnetic waves behave like optical waves.
They can be
Or they can be bent around objects (
), where the direction of the wave changes at an interface.
)deseribes a wave that is reflected off a rough surface and re-radiated in
many directions.
Please write your answer on the blank space given.
d) Label the diagram below with the three types of radio signals in free space:
b)
a)
Transcribed Image Text:a) Answer all question 1. The e diffraction process allows reception beyond a mountain in all but a small arca known as: a. Dead zone b. Shadow zone e. Masking d. Open space 2. A device that converts electrical energy into electromagnetic energy is known as: a. A light bulb b. An antenna c. A transducer d. All of the above 3. A term used to describe variation in signal strength that occur at a receiver during the time a signal is being received is known as: a. skipping b. refraction c. bouncing d. fading b) Assume that you as an Engineer would like to transmit the information signal; Vm - Ssint 2n6,000) V. Calculate the wavelength of the given signal. i) ii) Would it be practical to directly transmit this information signal using an antenna (assume you are using dipole antenna)? Why/why not? c) Electromagnetic waves behave like optical waves. They can be Or they can be bent around objects ( ), where the direction of the wave changes at an interface. )deseribes a wave that is reflected off a rough surface and re-radiated in many directions. Please write your answer on the blank space given. d) Label the diagram below with the three types of radio signals in free space: b) a)
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