ECC Test 2 Questions with Correct Answers Latest Update 2025/2026
In a graphical analysis of Ohms Law the X-axis is considered to be the? - Answers 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? - Answers Dependent Variable
What is ohms used to measure - Answers resistance
What of the following types if items use series circuits? - Answers string lights with simple
dividers and flashlights
total circuit resistance in a series circuit is equal to ___? - Answers sum of all resistances
total voltage across a series circuit is equal to the sum of the individual? - Answers voltage
drops
how would i calculate power in a series circuit? Power total? - Answers voltage x current/Vt x It
= Pt
when troubleshooting you complete the 4th step of the process and eliminate working functions
by? - Answers localizing the faulty functiona
which test would help you identify intermittent or loose connections - Answers wiggle or tug test
which of the following is a mechanical part that us subject to wear - Answers Relay
six step troubleshooting procedure one core principle is that faults need to be isolated and be
___? - Answers reproducible
during system elaboration what should be obtained of the trouble in a system during this step? -
Answers detailed description of the fault
what is a malfunction of a device or a system that occurs at intervals that are usually irregular? -
Answers intermediate faukt
An open means the flow current is? - Answers interrupted
what are the purposes of Kirchhoffs law current entering a junction is comsidered to be positive,
negative, 1 or 0? - Answers positive
Kirchoffs law for voltage states that the sum of voltage drops in a series circuit is equal to the
circuits ___? - Answers source voltage
what is defined as having more than one current path next to a common voltage source -
Answers parallel circuit
, when utilizing variation analysis to troubleshoot a malfunctioning circuit if the resistance
decreases what should the current do - Answers Increase
when determining which of the functional units if a multi unit piece if equipment is actually at
fault you should measure resistance voltage current or ohms - Answers resistance
when you are testing individual components in a circuit a parallel resistor or diode of a similar
value can cause it to appear - Answers Good
Changes in one branch of a parallel circuit will affect? - Answers all branches
using variation analysis to analyze a malfunctioning circuit for change in conditions in voltage or
current or ___? - Answers Resistance
a circuit containing elements from most series and parallel circuits is also referred to as? -
Answers combination circuit
wire and schematics are rarely laid out in what kind of form - Answers linear
simple parallel branches where current divides are also called? - Answers Junctions
in general what circuit malfunction type will cause an increase in current regardless of circuit
involved - Answers short circuit
which of the following is nay a common cause fault in a component or circuit? - Answers lack of
current
what is a circuit with a break that prevents current flow? - Answers open circuit
what testing equipment is most commonly used in circuit malfunctions - Answers multimeter
in which step of the six step electronic troubleshooting method is used to determine what
circuit or circuits was at fault - Answers localizing faulty functions of a circuit
what is considered to be high voltage equipment - Answers above 30v
symptom recognition is the act of doing what to a problem when it appears? - Answers
identifying it
why are intermittent faults difficult to diagnose - Answers can only be identified when it's
occurring
what is accomplished by systematically checking each probable faulty unit until the actual fault
is found? - Answers localizing the fault
which troubleshooting step uses the information obtained in two of the other steps to make an
educated estimate of where trouble might be located - Answers fault estimation
In a graphical analysis of Ohms Law the X-axis is considered to be the? - Answers 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? - Answers Dependent Variable
What is ohms used to measure - Answers resistance
What of the following types if items use series circuits? - Answers string lights with simple
dividers and flashlights
total circuit resistance in a series circuit is equal to ___? - Answers sum of all resistances
total voltage across a series circuit is equal to the sum of the individual? - Answers voltage
drops
how would i calculate power in a series circuit? Power total? - Answers voltage x current/Vt x It
= Pt
when troubleshooting you complete the 4th step of the process and eliminate working functions
by? - Answers localizing the faulty functiona
which test would help you identify intermittent or loose connections - Answers wiggle or tug test
which of the following is a mechanical part that us subject to wear - Answers Relay
six step troubleshooting procedure one core principle is that faults need to be isolated and be
___? - Answers reproducible
during system elaboration what should be obtained of the trouble in a system during this step? -
Answers detailed description of the fault
what is a malfunction of a device or a system that occurs at intervals that are usually irregular? -
Answers intermediate faukt
An open means the flow current is? - Answers interrupted
what are the purposes of Kirchhoffs law current entering a junction is comsidered to be positive,
negative, 1 or 0? - Answers positive
Kirchoffs law for voltage states that the sum of voltage drops in a series circuit is equal to the
circuits ___? - Answers source voltage
what is defined as having more than one current path next to a common voltage source -
Answers parallel circuit
, when utilizing variation analysis to troubleshoot a malfunctioning circuit if the resistance
decreases what should the current do - Answers Increase
when determining which of the functional units if a multi unit piece if equipment is actually at
fault you should measure resistance voltage current or ohms - Answers resistance
when you are testing individual components in a circuit a parallel resistor or diode of a similar
value can cause it to appear - Answers Good
Changes in one branch of a parallel circuit will affect? - Answers all branches
using variation analysis to analyze a malfunctioning circuit for change in conditions in voltage or
current or ___? - Answers Resistance
a circuit containing elements from most series and parallel circuits is also referred to as? -
Answers combination circuit
wire and schematics are rarely laid out in what kind of form - Answers linear
simple parallel branches where current divides are also called? - Answers Junctions
in general what circuit malfunction type will cause an increase in current regardless of circuit
involved - Answers short circuit
which of the following is nay a common cause fault in a component or circuit? - Answers lack of
current
what is a circuit with a break that prevents current flow? - Answers open circuit
what testing equipment is most commonly used in circuit malfunctions - Answers multimeter
in which step of the six step electronic troubleshooting method is used to determine what
circuit or circuits was at fault - Answers localizing faulty functions of a circuit
what is considered to be high voltage equipment - Answers above 30v
symptom recognition is the act of doing what to a problem when it appears? - Answers
identifying it
why are intermittent faults difficult to diagnose - Answers can only be identified when it's
occurring
what is accomplished by systematically checking each probable faulty unit until the actual fault
is found? - Answers localizing the fault
which troubleshooting step uses the information obtained in two of the other steps to make an
educated estimate of where trouble might be located - Answers fault estimation
