If the input signal power to a communication system is 1 W and the output power is 1 mW, the
system attenuation is:
A.
3 dB
B.
20 dB
C.
30 dB
D.
40 dB
E.
1000 dB
Correct Answer: C
Explanation not available for this question.
Question #2 (Topic: demo questions)
Which electrical characteristic is displayed with the correct preferred value?
A.
Dielectric constant – high value
B.
Dielectric strength – high value
C.
Dissipation factor – low value
D.
Insulation resistance - high value
Correct Answer: A
Explanation not available for this question.
Question #3 (Topic: demo questions)
Composite conductors, although not generally recommended, may be used in special circumstances
because they provide all of the following advantages EXCEPT:
A.
Have good digital transmission characteristics
B.
Lightweight
C.
Inexpensive
D.
Easy to produce
E.
Easily embedded into other materials
Correct Answer: A
Explanation not available for this question.
Question #4 (Topic: demo questions)
Composite conductors, although not generally recommended, may be used in special circumstances
because they provide all of the following advantages EXCEPT:
A.
Have good digital transmission characteristics
B.
Lightweight
C.
Inexpensive
D.
Easy to produce
E.
Easily embedded into other materials
Correct Answer: A
Explanation not available for this question.
Question #5 (Topic: demo questions)
Which is an advantage of stranded conductors over solid conductors?