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Exam (elaborations)

CETa study guide Questions and Correct Answers | Latest Update

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  • CETA

8.33 meters is the full wavelength in air for what RF frequency? -:- 36 MHz Decimal 164 would appear as what in binary? -:- A resistor has color stripes yellow, violet, violet, silver. It is? -:- 470 MegOhm +/- 10% What is the total capacitance of three capacitors valued at 100uf, 100uf a...

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  • September 19, 2024
  • 36
  • 2024/2025
  • Exam (elaborations)
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  • CETA
  • CETA
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2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




CETa study guide Questions and Correct
Answers | Latest Update
8.33 meters is the full wavelength in air for what RF frequency?


✓ -:- 36 MHz




Decimal 164 would appear as what in binary?


✓ -:- 10100100




A resistor has color stripes yellow, violet, violet, silver. It is?


✓ -:- 470 MegOhm +/- 10%




What is the total capacitance of three capacitors valued at 100uf, 100uf and 50uf when

connected in series?


✓ -:- 25 pf




What is the ripple frequency of a full wave single phase bridge rectifier operated at 60 Hz?


✓ -:- 120 Hz




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,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



What emits a voltage when heated or cooled?


✓ -:- Thermocouple




Adding the binary numbers 101011 and 001110 will give you what result?


✓ -:- 111001




A component that reduces in resistance as it is heated.


✓ -:- A negative temperature coefficient thermistor




An autotransformer


✓ -:- has a single winding




A dual trace oscilloscope differs from a single trace in that only the dual trace scope:


✓ -:- alternates sweeps




If an RF signal Voltage is reduced by 6db it is then :


✓ -:- half the original size


2|P a g e | G r a d e A + | 2 0 2 0 2 5

,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




Applying positive voltage to the P end and negative to the N end of a germanium diode:


✓ -:- will forward bias it




You would probably prefer a digital VOM over an ordinary analog meter:


✓ -:- for most accuracy




You should expect the video amplifier in a radar or TV receiver to have a frequency

response of:


✓ -:- 0-6 MHzd




The radio communication mode that utilizes the basic frequency and one of the side bands:


✓ -:- is called "SSB"




When using fiber optic to transfer a signal, the light must:


✓ -:- enter the "cone of acceptance"




The energy stored in a coil is measured in:
3|P a g e | G r a d e A + | 2 0 2 0 2 5

, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



✓ -:- Henrys




The telephone communication term "Cellular" refers to:


✓ -:- small geographic areas covered by each base station




Integrated circuit failures often exhibit:


✓ -:- open or short conditions




Which of these would you normally choose to cause an LED to light?


✓ -:- 3 VDC




A capacitor (3/8"x1/8" ceramic or mica) marked 47K is:


✓ -:- 47 pf +/- 10%




A "digital storage oscilloscope":


✓ -:- uses micro processing and memory to allow close analysis of signal.




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