ATT Week 11 Test (FC) Questions and Answers

ATT Week 11 Test (FC)




ATT Week 11 Test (FC) Questions and
Answers
Question 1
What causes refraction?
Correct Answer
A change in the speed of light.



Question 2
What is the most common optical detector?
Correct Answer
Photo Diodes.



Question 3
__________ determines the color of light.
Correct Answer
Wavelength



Question 4
What affects a detectors responsivity?
Correct Answer
Changes in wavelength.



Question 5
The range of frequency that an optical fiber cable has is known as___________.
Correct Answer
Bandwidth




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, ATT Week 11 Test (FC)




Question 6
What optical fiber cable is made of several concentric layers?
Correct Answer
Multimode graded-index



Question 7
What is a superheterodyne good for?
Correct Answer
Extreme sensitivity and stability.



Question 8
A synchronizer performs the task of __________.
Correct Answer
Timing



Question 9
What part does timing rely on?
Correct Answer
Synchronizer.



Question 10
What information does RF energy reflected from an object (echo) provide a RADAR?
Correct Answer
Bearing, range, velocity, and elevation.



Question 11
___________ is the effect of signal loss associated with high frequency currents flowing
near the outer surface of the conductor.
Correct Answer
Skin effect




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