ECC Test 2 Questions with Verified
Solutions
In a graphical analysis of Ohms Law the X-axis is considered to be the? - ANSWER-
Independent Variable
In a graphical analysis of Ohms Law the quantity that varies as a result of changes in
the first quantity is called the ___ and is plotted on the Y-axis? - ANSWER-Dependent
Variable
What is ohms used to measure - ANSWER-resistance
What of the following types if items use series circuits? - ANSWER-string lights with
simple dividers and flashlights
total circuit resistance in a series circuit is equal to ___? - ANSWER-sum of all
resistances
total voltage across a series circuit is equal to the sum of the individual? - ANSWER-
voltage drops
how would i calculate power in a series circuit? Power total? - ANSWER-voltage x
current/Vt x It = Pt
when troubleshooting you complete the 4th step of the process and eliminate working
functions by? - ANSWER-localizing the faulty functiona
which test would help you identify intermittent or loose connections - ANSWER-wiggle
or tug test
which of the following is a mechanical part that us subject to wear - ANSWER-Relay
six step troubleshooting procedure one core principle is that faults need to be isolated
and be ___? - ANSWER-reproducible
during system elaboration what should be obtained of the trouble in a system during this
step? - ANSWER-detailed description of the fault
what is a malfunction of a device or a system that occurs at intervals that are usually
irregular? - ANSWER-intermediate faukt
, An open means the flow current is? - ANSWER-interrupted
what are the purposes of Kirchhoffs law current entering a junction is comsidered to be
positive, negative, 1 or 0? - ANSWER-positive
Kirchoffs law for voltage states that the sum of voltage drops in a series circuit is equal
to the circuits ___? - ANSWER-source voltage
what is defined as having more than one current path next to a common voltage source
- ANSWER-parallel circuit
what does the strength or intensity of a coils magnetic field depend on? - ANSWER-
number of turns on wire
100 cycles per second are equal to? - ANSWER-100 hertz
time it takes to complete one cycle is defined as? - ANSWER-period of the wave form
When two sine waves are precisely in step with one another they are said to be? -
ANSWER-in phase
ohms law for current is? - ANSWER-I=E/R
control of electron beam present a visible pattern of a graphical data onto a fluorescent
screen of what basic section of the oscilloscope - ANSWER-CRT
which oscilloscopes section adjust the characteristics of displayed sweep? - ANSWER-
sweep circuitry
quantities including temperature pressure speeds acceleration can be translated into
what and viewed in an oscilloscope - ANSWER-Voltage
which oscilloscope input can accept two independent signals at the same time and split
on the CRT screen - ANSWER-dual channel input
what type of oscilloscope probes are used by amplitude signals - ANSWER-insinuation
probes
which control allows the user to adjust the stability of an oscilloscope display -
ANSWER-Trigger
function generator is a piece of test equipment used to produce a signal at a desired
frequency and - ANSWER-amplitude
what type of waveform does a function generator use - ANSWER-all of the above
Solutions
In a graphical analysis of Ohms Law the X-axis is considered to be the? - ANSWER-
Independent Variable
In a graphical analysis of Ohms Law the quantity that varies as a result of changes in
the first quantity is called the ___ and is plotted on the Y-axis? - ANSWER-Dependent
Variable
What is ohms used to measure - ANSWER-resistance
What of the following types if items use series circuits? - ANSWER-string lights with
simple dividers and flashlights
total circuit resistance in a series circuit is equal to ___? - ANSWER-sum of all
resistances
total voltage across a series circuit is equal to the sum of the individual? - ANSWER-
voltage drops
how would i calculate power in a series circuit? Power total? - ANSWER-voltage x
current/Vt x It = Pt
when troubleshooting you complete the 4th step of the process and eliminate working
functions by? - ANSWER-localizing the faulty functiona
which test would help you identify intermittent or loose connections - ANSWER-wiggle
or tug test
which of the following is a mechanical part that us subject to wear - ANSWER-Relay
six step troubleshooting procedure one core principle is that faults need to be isolated
and be ___? - ANSWER-reproducible
during system elaboration what should be obtained of the trouble in a system during this
step? - ANSWER-detailed description of the fault
what is a malfunction of a device or a system that occurs at intervals that are usually
irregular? - ANSWER-intermediate faukt
, An open means the flow current is? - ANSWER-interrupted
what are the purposes of Kirchhoffs law current entering a junction is comsidered to be
positive, negative, 1 or 0? - ANSWER-positive
Kirchoffs law for voltage states that the sum of voltage drops in a series circuit is equal
to the circuits ___? - ANSWER-source voltage
what is defined as having more than one current path next to a common voltage source
- ANSWER-parallel circuit
what does the strength or intensity of a coils magnetic field depend on? - ANSWER-
number of turns on wire
100 cycles per second are equal to? - ANSWER-100 hertz
time it takes to complete one cycle is defined as? - ANSWER-period of the wave form
When two sine waves are precisely in step with one another they are said to be? -
ANSWER-in phase
ohms law for current is? - ANSWER-I=E/R
control of electron beam present a visible pattern of a graphical data onto a fluorescent
screen of what basic section of the oscilloscope - ANSWER-CRT
which oscilloscopes section adjust the characteristics of displayed sweep? - ANSWER-
sweep circuitry
quantities including temperature pressure speeds acceleration can be translated into
what and viewed in an oscilloscope - ANSWER-Voltage
which oscilloscope input can accept two independent signals at the same time and split
on the CRT screen - ANSWER-dual channel input
what type of oscilloscope probes are used by amplitude signals - ANSWER-insinuation
probes
which control allows the user to adjust the stability of an oscilloscope display -
ANSWER-Trigger
function generator is a piece of test equipment used to produce a signal at a desired
frequency and - ANSWER-amplitude
what type of waveform does a function generator use - ANSWER-all of the above