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CETA EXAM STUDY GUIDE WITH QUESTIONS AND ANSWERS
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CETA EXAM STUDY GUIDE WITH QUESTIONSAND ANSWERS
What RF frequency has a full wavelength of 8.33 meters in the air? - ANSWER 36
MHz
In binary, decimal 164 would look like this? - ANSWER 10100100
The color stripes on a resistor are violet, violet, violet, and silver. Is it not? 470
MegOhm +/- 10% is the answer.
When connected in series, how much total capacitance does a set of three
capacitors with values of 100 uF, 100 uF, and 50 uF have? - ANSWER 25 fp
When a full wave, single phase bridge rectifier operates at 60 Hz, what is the ripple
frequency? - ANSWER 120 Hz
When heated or cooled, what releases a voltage? - ANSWER Thermocouple
What will happen if you add the binary integers 101011 and 001110? - ANSWER
111001
an element that becomes less resistant when heated. - ANSWER A thermistor with
a negative coefficient of temperature
ANSWER, an autotransformer, has a single winding.
,Compared to a single trace, a dual trace oscilloscope is different in that only the
dual trace scope: - ANSWER switches up sweeps
When the voltage of an RF signal is lowered by 6dB, the ANSWER is half of its
initial size.
Applying a negative voltage to the germanium diode's N end and a positive voltage
to its P end: ANSWER is going to forward bias it.
A digital VOM would undoubtedly be preferred over a regular analog meter: - The
most accurate answer
A radar or TV receiver's visual amplifier should have the following frequency
ANSWER: - ANSWER 0–6 MHzd
The radio communication mode that makes use of one of the side bands and the
basic frequency is: - The answer is "SSB"
When a signal is transferred via fiber optic, the light needs to: - ANSWER go
through the "cone of acceptance"
A coil's stored energy is expressed in: - Henrys' ANSWER
The term "cellular" in telephone communication describes the following: -
ANSWER small geographic areas that each base station covers
Common symptoms of integrated circuit failures include: - ANSWER short or
open situations
, Which of these would you typically select to turn on an LED? - ANSWER 3 VDC
A 3/8"x1/8" ceramic or mica capacitor with the designation 47K is: A ANSWER
of 47 pf +/- 10%
The "digital storage oscilloscope" : ANSWER employs memory and
microprocessing to enable in-depth signal analysis.
Carbon microphones function similarly to variables. - Resistors with answers
A
An longer antenna will have a lower resonance frequency than a shorter one.
How many logical possibilities can one create with an 8-bit binary code? -
ANSWER 256
An electrical circuit's inductor ANSWER blocks the flow of AC electricity.
What kind of connection would a printer that is directly connected to a PC use? -
ANSWER parallel centronics or USB
ANSWER Binary is the term for the digital character representation technique that
uses zeros and ones combinations.
Whereas FM uses: signal level variations, AM uses: ANSWER Variations in
frequency
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