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Exam (elaborations)

CETa study guide Questions and Answers (100% Pass)

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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 and ...

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  • September 25, 2024
  • 37
  • 2024/2025
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1 | P a g e | © copyright 2024/2025 | Grade A+



CETa study guide Questions and
Answers (100% Pass)
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




Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+




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 :



Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+


→ half the original size




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:




Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+


→ enter the "cone of acceptance"




The energy stored in a coil is measured in:


→ 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":


Master01 | September, 2024/2025 | Latest update

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