CET Exam Questions with Right Solutions
The voltage rating of a capacitor _______________. - ✅✅ Relates to the
maximum voltage that should be applied to it
Total capacitance of capacitors connected in parallel is like _____________. -
✅✅ resistors connected in series
You would choose an LCD (liquid crystal display) if you needed
________________. - ✅✅ A low-current display
What is the effect on a varactor (varicap) when the reverse bias is increased? -
✅✅ capacitance decreases and the tuned frequency increases
Hexadecimal 2E is equivalent to a decimal number _____________. - ✅✅ 46
Cables of different impedances may be combined for short runs. - ✅✅ false
In a parallel RLC, what voltage is applied across each branch? - ✅✅ total circuit
voltage
Distortion in an audio amplifier occurs when _____________. - ✅✅ an amplifier
stage input signal level is too high
What happens to current flow in a capacitive circuit as the charging voltage to a
capacitor approaches full charge? - ✅✅ Little current flows
, The capacitance of a capacitor______ if the distance between the plates decreases
while all other properties of a capacitor remain the same. - ✅✅ Increases
Carbon microphones are much like variable ________. - ✅✅ resistors
What radio receiver section determines an AM radio's inherent noise level? -
✅✅ RF
Which of the following would be best test frequency for general audio
troubleshooting? - ✅✅ 1khz
An inductor with the same length of wire but whose coils are spaced further apart
will have ________________. - ✅✅ Less inductance
The "1" in binary number carries a decimal weight of ___________. - ✅✅ 32
Which of these is within tolerance for a resistor that is color coded red, black, red
and gold? - ✅✅ 2000 and 1900 ohm's
Which would be the most likely cause of hum in an amplifier- but only when it is
switched to the CD position? - ✅✅ Bad shielded cable from the CD to the
amplifier input
When measuring power to a speaker, a doubling of the power represents a 3 db
increase. - ✅✅ True
A voltmeter that converts AC to DC by rectifying the voltage would be used to
indicate the correct value of measured _______. - ✅✅ Sine waves
The voltage rating of a capacitor _______________. - ✅✅ Relates to the
maximum voltage that should be applied to it
Total capacitance of capacitors connected in parallel is like _____________. -
✅✅ resistors connected in series
You would choose an LCD (liquid crystal display) if you needed
________________. - ✅✅ A low-current display
What is the effect on a varactor (varicap) when the reverse bias is increased? -
✅✅ capacitance decreases and the tuned frequency increases
Hexadecimal 2E is equivalent to a decimal number _____________. - ✅✅ 46
Cables of different impedances may be combined for short runs. - ✅✅ false
In a parallel RLC, what voltage is applied across each branch? - ✅✅ total circuit
voltage
Distortion in an audio amplifier occurs when _____________. - ✅✅ an amplifier
stage input signal level is too high
What happens to current flow in a capacitive circuit as the charging voltage to a
capacitor approaches full charge? - ✅✅ Little current flows
, The capacitance of a capacitor______ if the distance between the plates decreases
while all other properties of a capacitor remain the same. - ✅✅ Increases
Carbon microphones are much like variable ________. - ✅✅ resistors
What radio receiver section determines an AM radio's inherent noise level? -
✅✅ RF
Which of the following would be best test frequency for general audio
troubleshooting? - ✅✅ 1khz
An inductor with the same length of wire but whose coils are spaced further apart
will have ________________. - ✅✅ Less inductance
The "1" in binary number carries a decimal weight of ___________. - ✅✅ 32
Which of these is within tolerance for a resistor that is color coded red, black, red
and gold? - ✅✅ 2000 and 1900 ohm's
Which would be the most likely cause of hum in an amplifier- but only when it is
switched to the CD position? - ✅✅ Bad shielded cable from the CD to the
amplifier input
When measuring power to a speaker, a doubling of the power represents a 3 db
increase. - ✅✅ True
A voltmeter that converts AC to DC by rectifying the voltage would be used to
indicate the correct value of measured _______. - ✅✅ Sine waves
