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CET study guide(questions well answered)
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CET study guide(questions well answered)
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CET study guide(questions wellanswered)
The "1" in binary number carries a decimal weight of ___________. - correct answer ✔✔32
Which of these is within tolerance for a resistor that is color coded red, black, red and gold? - correct
answer ✔✔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? - correct answer ✔✔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. - correct
answer ✔✔True
A voltmeter that converts AC to DC by rectifying the voltage would be used to indicate the correct value
of measured _______. - correct answer ✔✔Sine waves
Regarding PC's, what does "RAM" mean? - correct answer ✔✔Random Access memory
What is the binary number for decimal number 6? - correct answer ✔✔0110
In order for a capacitor to function as a coupling capacitor, Xc, must be less than ______ at the lowest
frequency at which the AC circuit is operating. - correct answer ✔✔0.1 R
The term for the combination of resistance and reactance that restricts the flow of alternating current is
_______. - correct answer ✔✔Impedance
Adding the binary numbers 110111 and 001101 will give which one of these results? - correct answer
✔✔1000100
, How should a fuse be installed in a circuit to ensure proper operation? - correct answer ✔✔In series
with the load
A lead-acid battery cell, when charged, has a nominal value of ________. - correct answer ✔✔3.4 volts
Common analog telephone lines, on hook, may be expected to have what DC voltage level on one of the
wires? - correct answer ✔✔-48 v
A dual-trace scope has ___________. - correct answer ✔✔Two vertical inputs
What determines the velocity factor in a transmission line? - correct answer ✔✔the dielectric material
of the line
As the input frequency to an operational amplifier increases over a broad frequency range (e.g. 1kHz to
1gHz), the output signal level usually ________. - correct answer ✔✔decreases
Total power in a series circuit is determined by the _________. - correct answer ✔✔Source voltage
multiplied by the current
Integrated circuit failures often exhibit ____________. - correct answer ✔✔Audible noise
Which of the following circuit configurations has the same amount of voltage drop across each of its
components? - correct answer ✔✔parallel
The Y axis of an oscilloscope is used to measure - correct answer ✔✔amplitude
When replacing a DIP chip, ____________. - correct answer ✔✔Use ESD static grounded soldering pencil
or work station
What is the equivalent to microwatts ? - correct answer ✔✔0.1 milliwatts
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