3/30/25, 11:08 AM Att test 3
ATT TEST 3 EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
What is the frequency of a number of cycles per second
wave?
What is frequency measured Hertz
in?
3 cycles per second equals 3 Hz
how many hertz?
What is the period of a wave? Time per cycle
What is wavelength? the actual distance between beginning and end of one cycle
(meters/centimeters)
What is induction? generation of AC current by changing a magnetic field (flux
variation)
Flux variation is directly
(directly/indirectly)
proportional to induction and
current?
What is needed to induce conductor, magnetic field, relative motion
current?
What is peak voltage? highest positive or negative voltage obtained
determined by doubling peak voltage, from highest
What is peak to peak voltage?
positive point to lowest negative point
What is average voltage? Calculated using sum of all angles contained in 180 degrees
(0.637 X peak V)
What is RMS voltage? most common method to describe voltage of sine wave (0.707 X
peak V)
120 VAC RMS = How much 120 VDC
VDC?
What is phase angle? amount by which waveforms lead or lag one another
What phase angle has 180 degrees
peaks of OPPOSITE
POLARITY happening at
the same time?
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1
, 3/30/25, 11:11 AM
echoes of the fundamental frequency, creates non-
What are harmonic
frequencies? sinusoidal waves when combined with fundamental
frequency
How are harmonic frequencies determined by multiplying fundamental frequency by harmonic
calculated? number
Bandwidth is the highest an Frequency
oscilloscope can measure?
What is the point of probe eliminates distortion of input signal
compensation?
What type of square wave 5 VPP 1kHZ
should be produced when
doing probe
compensation?
What does a function Provides a known input signal so tech can test a circuit
generator do?
What does DC offset do? Adds DC voltage to AC waveform
What does the range control Sets coarse frequency
do (function generator)?
What are four functions of Frequency, period, totalize, check
frequency counter?
How is a magnetic field current flowing through conductor
created?
component with the ability to concentrate a magnetic field
What are inductors?
(opposes changes in DC current)
What happens to current Increases
when a magnetic field
expands?
Voltage induced in inductor is Opposite/opposes
____________________ to
applied voltage and
______________ current
What happens to induced No voltage is induced, must be increasing/decreasing
voltage in an inductor with
constant current?
What happens when AC current is constantly changing and inductor constantly opposes
voltage is applied to current
inductor
What happens once max inductor no longer opposes current and acts like a short
2/1
1
ATT TEST 3 EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
What is the frequency of a number of cycles per second
wave?
What is frequency measured Hertz
in?
3 cycles per second equals 3 Hz
how many hertz?
What is the period of a wave? Time per cycle
What is wavelength? the actual distance between beginning and end of one cycle
(meters/centimeters)
What is induction? generation of AC current by changing a magnetic field (flux
variation)
Flux variation is directly
(directly/indirectly)
proportional to induction and
current?
What is needed to induce conductor, magnetic field, relative motion
current?
What is peak voltage? highest positive or negative voltage obtained
determined by doubling peak voltage, from highest
What is peak to peak voltage?
positive point to lowest negative point
What is average voltage? Calculated using sum of all angles contained in 180 degrees
(0.637 X peak V)
What is RMS voltage? most common method to describe voltage of sine wave (0.707 X
peak V)
120 VAC RMS = How much 120 VDC
VDC?
What is phase angle? amount by which waveforms lead or lag one another
What phase angle has 180 degrees
peaks of OPPOSITE
POLARITY happening at
the same time?
1/1
1
, 3/30/25, 11:11 AM
echoes of the fundamental frequency, creates non-
What are harmonic
frequencies? sinusoidal waves when combined with fundamental
frequency
How are harmonic frequencies determined by multiplying fundamental frequency by harmonic
calculated? number
Bandwidth is the highest an Frequency
oscilloscope can measure?
What is the point of probe eliminates distortion of input signal
compensation?
What type of square wave 5 VPP 1kHZ
should be produced when
doing probe
compensation?
What does a function Provides a known input signal so tech can test a circuit
generator do?
What does DC offset do? Adds DC voltage to AC waveform
What does the range control Sets coarse frequency
do (function generator)?
What are four functions of Frequency, period, totalize, check
frequency counter?
How is a magnetic field current flowing through conductor
created?
component with the ability to concentrate a magnetic field
What are inductors?
(opposes changes in DC current)
What happens to current Increases
when a magnetic field
expands?
Voltage induced in inductor is Opposite/opposes
____________________ to
applied voltage and
______________ current
What happens to induced No voltage is induced, must be increasing/decreasing
voltage in an inductor with
constant current?
What happens when AC current is constantly changing and inductor constantly opposes
voltage is applied to current
inductor
What happens once max inductor no longer opposes current and acts like a short
2/1
1
