THE ASSOCIATE CET EXAMPREP
CERTIFICATION EVALUATION EXAM
QUESTIONS AND ANSWERS 2026
◉ Changing the filter capacitor from 10μF to 50μF would result in:
A. A lower ripple voltage
B. A lower ripple frequency
C. Both A and B
Answer: A. A lower ripple voltage
◉ The ripple frequency of the output of a full wave rectifier power
supply measures the same as the AC input. The section causing this
problem is the __________.
A. Transformer
B. Rectifier
C. Filter
D. Regulator
Answer: B. Rectifier
,◉ The ripple voltage is higher then the specifications but the
frequency is correct. The section causing this problem is the
__________.
A. Transformer
B. Rectifier
C. Filter
D. Regulator
Answer: C. Filter
◉ A new computer gave a POST disk drive error the first time it was
powered up. A new disk drive was installed and the same error was
displayed. The hard disk cables were replaced and still the problem
persisted. The motherboard was replaced and the system finally
operated properly. After a day of operation the error returned. The
most likely cause of the problem is __________.
A. The power supply
B. The disk drive
C. The hard drive cables
D. The motherboard
Answer: A. The power supply
,◉ The switching power supply used in a PC takes the input from the
AC line and changes it to__________.
A. A lower frequency
B. A higher frequency
Answer: B. A higher frequency
◉ The formula [(ΔVp) / (ΔVg) | Ip constant] is used to determine the
__________.
A. Transconductance of the vacuum tube
B. AC plate resistance of the vacuum tube
C. Amplification factor of the vacuum tube
D. Forward current transfer ratio of the vacuum tube
Answer: C. Amplification factor of the vacuum tube
◉ A class AB amplifier will allow output current to flow for
approximately __________of the input signal.
A. 180⁰
Β. 200⁰
C. 280⁰
, D. 360⁰
Answer: C. 280⁰
◉ The formula [ (μ * RL) / RL + rD) ] is used to calculate:
A. Forward transfer current ratio of the JFET
B. Voltage gain of the JFET amplifier
C. Amplification factor of the JFET
D. Transconductance of the JFET
Answer: B. Voltage gain of the JFET amplifier
◉ Choose three of the following amplifier configuration is that yield
the highest power gains.
A. Common-grid
B. Common-cathode
C. Common-plate
D. Common-source
E. Common-gate
F. Common-drain
G. Common-emitter
H. Common-base
CERTIFICATION EVALUATION EXAM
QUESTIONS AND ANSWERS 2026
◉ Changing the filter capacitor from 10μF to 50μF would result in:
A. A lower ripple voltage
B. A lower ripple frequency
C. Both A and B
Answer: A. A lower ripple voltage
◉ The ripple frequency of the output of a full wave rectifier power
supply measures the same as the AC input. The section causing this
problem is the __________.
A. Transformer
B. Rectifier
C. Filter
D. Regulator
Answer: B. Rectifier
,◉ The ripple voltage is higher then the specifications but the
frequency is correct. The section causing this problem is the
__________.
A. Transformer
B. Rectifier
C. Filter
D. Regulator
Answer: C. Filter
◉ A new computer gave a POST disk drive error the first time it was
powered up. A new disk drive was installed and the same error was
displayed. The hard disk cables were replaced and still the problem
persisted. The motherboard was replaced and the system finally
operated properly. After a day of operation the error returned. The
most likely cause of the problem is __________.
A. The power supply
B. The disk drive
C. The hard drive cables
D. The motherboard
Answer: A. The power supply
,◉ The switching power supply used in a PC takes the input from the
AC line and changes it to__________.
A. A lower frequency
B. A higher frequency
Answer: B. A higher frequency
◉ The formula [(ΔVp) / (ΔVg) | Ip constant] is used to determine the
__________.
A. Transconductance of the vacuum tube
B. AC plate resistance of the vacuum tube
C. Amplification factor of the vacuum tube
D. Forward current transfer ratio of the vacuum tube
Answer: C. Amplification factor of the vacuum tube
◉ A class AB amplifier will allow output current to flow for
approximately __________of the input signal.
A. 180⁰
Β. 200⁰
C. 280⁰
, D. 360⁰
Answer: C. 280⁰
◉ The formula [ (μ * RL) / RL + rD) ] is used to calculate:
A. Forward transfer current ratio of the JFET
B. Voltage gain of the JFET amplifier
C. Amplification factor of the JFET
D. Transconductance of the JFET
Answer: B. Voltage gain of the JFET amplifier
◉ Choose three of the following amplifier configuration is that yield
the highest power gains.
A. Common-grid
B. Common-cathode
C. Common-plate
D. Common-source
E. Common-gate
F. Common-drain
G. Common-emitter
H. Common-base
