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CETa study guide(Latest Exam 2024)
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CETa study guide(Latest Exam 2024)
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CETa study guide(Latest Exam 2024)8.33 meters is the full wavelength in air for what RF
frequency? - correct answers✅36 MHz
Decimal 164 would appear as what in binary? - correct
answers✅10100100
A resistor has color stripes yellow, violet, violet, silver. It
is? - correct answers✅470 MegOhm +/- 10%
What is the total capacitance of three capacitors valued
at 100uf, 100uf and 50uf when connected in series? -
correct answers✅25 pf
What is the ripple frequency of a full wave single phase
bridge rectifier operated at 60 Hz? - correct
answers✅120 Hz
What emits a voltage when heated or cooled? - correct
answers✅Thermocouple
Adding the binary numbers 101011 and 001110 will give
you what result? - correct answers✅111001
A component that reduces in resistance as it is heated. -
correct answers✅A negative temperature coefficient
thermistor
,CETa study guide(Latest Exam 2024)
An autotransformer - correct answers✅has a single
winding
A dual trace oscilloscope differs from a single trace in that
only the dual trace scope: - correct
answers✅alternates sweeps
If an RF signal Voltage is reduced by 6db it is then : -
correct answers✅half the original size
Applying positive voltage to the P end and negative to the
N end of a germanium diode: - correct answers✅will
forward bias it
You would probably prefer a digital VOM over an ordinary
analog meter: - correct answers✅for most accuracy
You should expect the video amplifier in a radar or TV
receiver to have a frequency response of: - correct
answers✅0-6 MHzd
The radio communication mode that utilizes the basic
frequency and one of the side bands: - correct
answers✅is called "SSB"
, CETa study guide(Latest Exam 2024)
When using fiber optic to transfer a signal, the light must:
- correct answers✅enter the "cone of acceptance"
The energy stored in a coil is measured in: - correct
answers✅Henrys
The telephone communication term "Cellular" refers to: -
correct answers✅small geographic areas covered by
each base station
Integrated circuit failures often exhibit: - correct
answers✅open or short conditions
Which of these would you normally choose to cause an
LED to light? - correct answers✅3 VDC
A capacitor (3/8"x1/8" ceramic or mica) marked 47K is: -
correct answers✅47 pf +/- 10%
A "digital storage oscilloscope": - correct
answers✅uses micro processing and memory to allow
close analysis of signal.
Carbon microphones are much like variable: - correct
answers✅resistors
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