CET FINAL EXAM LATEST 2023-24 NEW SEMESTER
EXAM GUARANTEED PASS
8.33 meters is the full wavelength in air for what RF frequency? - ANSWER: 36 MHz
Decimal 164 would appear as ________ in binary? - ANSWER: 10100100
A resistor has color stripes yellow, violet, violet, silver. It is: - ANSWER: 470 MegOhm
+/- 10%
what is the total capacitance of three capacitors valued at 100pf, 100pf, and 50pf
when connected in a series? - ANSWER: 25 pf
what is the ripple frequency of a full wave single phase bridge rectifier operated at
60Hz? - ANSWER: 120Hz
When heated or cooled, a ________emits a voltage. - ANSWER: theromcouple
Which wire size is physically largest? - ANSWER: #8
Adding the binary numbers 101011 and 001110 will give you what result? - ANSWER:
111001
A component that reduces in resistance as it is heated: - ANSWER: Is a negative
temperature coefficient thermistor
An autotransformer: - ANSWER: has a single winding
A dual trace oscilloscope differs from a single trace in that only the dual trace scope:
- ANSWER: alternates sweeps
If an RF signal voltage is reduced by 6 dB, it is then: - ANSWER: half the original size
Applying positive voltage to the P end and negative to the N end of a germanium
diode: - ANSWER: will forward bias it
You would probably prefer a digital VOM over an ordinary analog meter: - ANSWER:
for most accuracy
You should expect the video amplifier in a radar or TV receiver to have a frequency
response of: - ANSWER: 0-6 MHz
The radio communication mode that utilizes the basic frequency and one of the side
bands: - ANSWER: is called "SSB"
, When using fiber optics to transfer a signal, the light must: - ANSWER: Enter the
"cone of acceptance"
The energy stored in a coil is measured in: - ANSWER: Joules
The telephone communication term "cellular" refers to: - ANSWER: small geographic
areas covered by each base station.
Integrated Circuit failures often exhibit: - ANSWER: open or short conditions
Which of these would you normally choose to cause an LED to light? - ANSWER: 3 V
DC
A capacitor (3/8" x 1/8" ceramic or mica) marked 47K is: - ANSWER: 47pf+/- 10%
A digital storage oscilloscope: - ANSWER: uses micro processing and memory to
allow close analysis of signals; is specially designed for analyzing digital signals;
converts analog input signals to a digital display
Carbon microphones are much like variable: - ANSWER: Resistors
An antenna that is longer than another: - ANSWER: will have a lower resonant
frequency
An 8-bit binary code allows ______ logical combinations. - ANSWER: 256
An inductor in an electronic circuit: - ANSWER: resists AC current flow
A printer directly connected to a personal computer would use a _______
connection. - ANSWER: USB or parallel Centronics
The digital method of representing characters by using combinations of zeros and
ones is called: - ANSWER: binary
Fm utilizes ______ where AM utilizes signal level variations. - ANSWER: frequency
variations
What decimal number is represented by the binary number 01101010? - ANSWER:
106
Decimal 50 would appear as _____ in Hex. - ANSWER: 32
Of these choices, the display of a DMM would probably be: - ANSWER: LCD
A disadvantage of LCD is: - ANSWER: environmental temperature sensitivity
EXAM GUARANTEED PASS
8.33 meters is the full wavelength in air for what RF frequency? - ANSWER: 36 MHz
Decimal 164 would appear as ________ in binary? - ANSWER: 10100100
A resistor has color stripes yellow, violet, violet, silver. It is: - ANSWER: 470 MegOhm
+/- 10%
what is the total capacitance of three capacitors valued at 100pf, 100pf, and 50pf
when connected in a series? - ANSWER: 25 pf
what is the ripple frequency of a full wave single phase bridge rectifier operated at
60Hz? - ANSWER: 120Hz
When heated or cooled, a ________emits a voltage. - ANSWER: theromcouple
Which wire size is physically largest? - ANSWER: #8
Adding the binary numbers 101011 and 001110 will give you what result? - ANSWER:
111001
A component that reduces in resistance as it is heated: - ANSWER: Is a negative
temperature coefficient thermistor
An autotransformer: - ANSWER: has a single winding
A dual trace oscilloscope differs from a single trace in that only the dual trace scope:
- ANSWER: alternates sweeps
If an RF signal voltage is reduced by 6 dB, it is then: - ANSWER: half the original size
Applying positive voltage to the P end and negative to the N end of a germanium
diode: - ANSWER: will forward bias it
You would probably prefer a digital VOM over an ordinary analog meter: - ANSWER:
for most accuracy
You should expect the video amplifier in a radar or TV receiver to have a frequency
response of: - ANSWER: 0-6 MHz
The radio communication mode that utilizes the basic frequency and one of the side
bands: - ANSWER: is called "SSB"
, When using fiber optics to transfer a signal, the light must: - ANSWER: Enter the
"cone of acceptance"
The energy stored in a coil is measured in: - ANSWER: Joules
The telephone communication term "cellular" refers to: - ANSWER: small geographic
areas covered by each base station.
Integrated Circuit failures often exhibit: - ANSWER: open or short conditions
Which of these would you normally choose to cause an LED to light? - ANSWER: 3 V
DC
A capacitor (3/8" x 1/8" ceramic or mica) marked 47K is: - ANSWER: 47pf+/- 10%
A digital storage oscilloscope: - ANSWER: uses micro processing and memory to
allow close analysis of signals; is specially designed for analyzing digital signals;
converts analog input signals to a digital display
Carbon microphones are much like variable: - ANSWER: Resistors
An antenna that is longer than another: - ANSWER: will have a lower resonant
frequency
An 8-bit binary code allows ______ logical combinations. - ANSWER: 256
An inductor in an electronic circuit: - ANSWER: resists AC current flow
A printer directly connected to a personal computer would use a _______
connection. - ANSWER: USB or parallel Centronics
The digital method of representing characters by using combinations of zeros and
ones is called: - ANSWER: binary
Fm utilizes ______ where AM utilizes signal level variations. - ANSWER: frequency
variations
What decimal number is represented by the binary number 01101010? - ANSWER:
106
Decimal 50 would appear as _____ in Hex. - ANSWER: 32
Of these choices, the display of a DMM would probably be: - ANSWER: LCD
A disadvantage of LCD is: - ANSWER: environmental temperature sensitivity
