CETa study guide Questions with 100%
Verified Correct Answers
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
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
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:
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.
Carbon microphones are much like variable:
resistors
An antenna that is longer than another:
will have a lower resonant frequency
An 8 bit binary code allows how many logical combinations.
256
An inductor in an electronic circuit:
resists AC current flow
A printer directly connected to a personal computer would use what kind of
connection?
Verified Correct Answers
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
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
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:
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.
Carbon microphones are much like variable:
resistors
An antenna that is longer than another:
will have a lower resonant frequency
An 8 bit binary code allows how many logical combinations.
256
An inductor in an electronic circuit:
resists AC current flow
A printer directly connected to a personal computer would use what kind of
connection?
