Quizzes & Correct Answers Verified,
What causes refraction? - (ANSWER)A change in the speed of light.
What is the most common optical detector? - (ANSWER)Photo Diodes.
law, and mathematics, their format, and how they evaluate students’ comprehension and application of core concepts. We will also discuss the similarities and differences in these exams and how they prepare students
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determines the color of light. - (ANSWER)Wavelength
What affects a detectors responsivity? - (ANSWER)Changes in wavelength.
The range of frequency that an optical fiber cable has is known as .-
(ANSWER)Bandwidth
What optical fiber cable is made of several concentric layers? -
(ANSWER)Multimode graded-index
What is a superheterodyne good for? - (ANSWER)Extreme sensitivity and
stability.
A synchronizer performs the task of . - (ANSWER)Timing
What part does timing rely on? - (ANSWER)Synchronizer.
, law, and mathematics, their format, and how they evaluate students’ comprehension and application of core concepts. We will also discuss the similarities and differences in these exams and how they prepare students for their respective
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What information does RF energy reflected from an object (echo) provide a
RADAR? - (ANSWER)Bearing, range, velocity, and elevation.
is the effect of signal loss associated with high frequency currents
flowing near the outer surface of the conductor. - (ANSWER)Skin effect
What is characteristic impedance? - (ANSWER)The distributed inductance and
capacitance of a line.
What transmission lines have the largest surface area? - (ANSWER)Waveguides.
is/are the result of improper waveguide joining. -
(ANSWER)Standing waves
What is the ability of an antenna to act as an antenna and a receiver called? -
(ANSWER)Reciprocity.
What is a truncated parabolic antenna used for? - (ANSWER)RADAR microwave
system.
Power gain is the measure of an antenna's . - (ANSWER)efficiency
How is the efficiency of an antenna measured? - (ANSWER)The use of a reference
antenna.