NCATT AET EXAM QUESTIONS WITH 100% COMPLETE
SOLUTIONS
Direct |current |is |defined |as |- |ANSWER the |flow |of |electrons |in |one |direction
|throughout |a |circuit |with |constant |voltage |and |current
Faraday's |Law |- |ANSWER current |will |flow |in |a |circuit |provided |there |is |electrical
|difference |in |potential |and |there |is |a |path |for |it |to |flow
Loads |slow |current |by |- |ANSWER applying |resistance
Current |flows |from |- |ANSWER
| negative |to |positive
Atoms |- |ANSWER represent |the |smallest |elements |that |exist |in |nature
Atoms |are |made |up |of |- |ANSWER
| protons, |neutrons |and |electrons
Nucleaus |- |ANSWER
| center |of |the |atom
Electrons |travel |- |ANSWER at |the |speed |of |light
Protons |- |ANSWER positively |charged |subatomic |particles
Protons |contain |- |ANSWER
| a |positive |electrical |potential
Protons |positive |charge |- |ANSWER affect |the |orbits |of |the |electrons
Neutrons |are |- |ANSWER
| neutral |subatomic |particles
Neutrons |are |not |involved |- |ANSWER in |the |conduction |of |electricity
Electron's |charge |- |ANSWER
| is |negative
The |speed |of |rotation |combined |with |electrical |potential |- |ANSWER keeps |the
|electrons |in |their |orbits
The |attraction |of |opposite |charges |- |ANSWER holds |the |electron |in |its |orbit
Conductors |- |ANSWER easily |permit |the |movement |of |electrons |from |an
|electrical |source |to |a |load |and |back |to |the |electrical |source |with |a |minimum |of
|resistance
First |two |inner |orbits |- |ANSWER make |up |the |atomic |number |for |the |element
During |conductance |an |extra |valence |electron |- |ANSWER flows |into |the |next
|atoms |valance |orbit
,Good |conductors |- |ANSWER Only |those |elements |that |dont |hang |on |to |their
|valence |electrons
Good |Insulators |- |ANSWER Elements |that |don't |give |up |valance |electrons |no
|matter |what |force |is |applied
lators |- |ANSWER a |material |or |device |used |to |prevent |the |passage |of |heat,
|electricity |or |sound |from |one |medium |to |another
Examples |of |insulators |- |ANSWER Glass, |Mica, |Silica
Air |- |ANSWER can |be |a |good |insulator |but |will |spark |when |enough |electrical
|force |is |applied
Static |Electricity |- |ANSWER an |electrical |charge |that |may |be |built |up |on |a
|non-conductive |surface |by |friction
Static |electricity |serves |- |ANSWER no |useful |purpose |in |aviation |and |cost
|millions |of |dollars |in |damage |every |year
Voltage |- |ANSWER electric |potential |energy |per |unit |charge |measured |in |joules
|per |coulomb
Coulomb |- |ANSWER basic |unit |of |electrical |quantiy
Coluomb |is |equal |to |- |ANSWER
| 6.28 |billion-billion |electrons
Coluomb |is |the |- |ANSWER actual |count |of |electrons |in |a |unit |of |measure
Joule |- |ANSWER amount |of |electrons |in |a |suspended |state |as |compared |to |some
|electrons |in |an |adjacent |part |of |the |circuit
Electromotive |Force |- |ANSWER is |the |force |required |to |move |an |electron
|measured |in |volts
EMF |- |ANSWER is |the |force |required |to |cause |one |amp |of |the |current |of |flow
|through |one |ohm |of |reistance
Mechanical, |Chemical, |Friction |- |ANSWER three |methods |used |to |generate |EMF
Volt |- |ANSWER
| basic |unit |of |measure |of |electrical |pressure
A |Volt |is |that |amount |of |force |- |ANSWER required |to |cause |on |amp |of |current |to
|flow |through |one |ohm |of |resistance
E |is |the |symbol |for |- |ANSWER volts
,Current |is |- |ANSWER the |flow |of |electricity |that |pass |a |given |point |in |a |specific
|amount |of |time
I |is |the |symbol |for |- |ANSWER amps
Amps |- |ANSWER unit |of |measure |used |to |express |the |flow |of |electrons |Current
flows |- |ANSWER
| from |a |negative |electrical |potential |to |a |positive |one
Resistance |is |- |ANSWER electrical |opposition |to |the |current |flow |in |a |conductor
Resistance |does |what |- |ANSWER opposed |or |slows |down |another |force, |drops,
|voltage |and |consumes |power
First |rule |of |resistance |- |ANSWER current |will |take |the |path |of |less |resistance
Zig |zag |line |- |ANSWER
| symbol |of |a |resistor |in |an |electrical |schematic
Resistance |is |measured |- |ANSWER
| in |Ohms |and |uses |the |omega |symbol
One |ohm |- |ANSWER limits |the |flow |of |current |to |one |amp |under |a |voltage
|pressure |of |one |volt
Ohms |law |states |- |ANSWER the |amount |of |current |flowing |in |a |circuit |is |directly
|proportional |to |the |circuit |voltage |and |inversely |proportional |to |the |circuit
|resistance
Ohm's |Law |- |ANSWER I= |V/R, |Current |is |equal |to |Voltage |divided |by |resistance
Watt |- |ANSWER a |basic |unit |of |electrical |power |that |is |the |product |of |voltage
|multiplied |by |current
One |Watt |equals |- |ANSWER 1/746 |horsepower
One |watt |is |produced |when |- |ANSWER a |circut |that |has |one |amp |of |current
|flowing |under |a |pressure |of |one |volt
First |rule |of |series |circuits |- |ANSWER there |is |only |one |path |for |current |to |flow
|therefore |current |equal |throughout |the |circuit
Second |rule |of |series |circuits |- |ANSWER the |voltage |drop |at |each |resistor |will |be
|the |sum |of |total |applied |voltage
Parallel |circuits |- |ANSWER are |those |that |offer |several |paths |for |current |flow
, Current |is |divided |in |a |parallel |circuit |- |ANSWER evenly |between |the |branches
In |a |parallel |circuit |the |total |current |load |- |ANSWER is |the |sum |of |the |currents |in
|the |banches
In |a |parallel |circuit, |voltage |is |- |ANSWER common |through |each |of |the |branches
In |series |parallel |cicuits, |- |ANSWER each |section |needs |to |be |worked |to |its
|simplest |elements |then |reworked |to |fill |in |the |unknowns
A |capacitor |- |ANSWER an |electrical |component |used |to |store |electrical |energy |in
|the |form |of |an |electrostatic |field
A |capacitor |is |made |of |- |ANSWER two |parallel |conductors |seperated |by |an
|insulator |called |the |diaelectric
A |capacitor's |electrical |property |- |ANSWER blocks |DC |voltages |and |passes |AC
|voltages
A |battery |is |a |device |- |ANSWER made |of |one |or |more |individual |electrochemical
|cells |used |to |store |chemical |energy |and |make |that |every |available |in |chemical |form
Primary |batteries |- |ANSWER once |expended |cannot |be |recharged
Secondary |batteries |- |ANSWER can |be |recharged |because |the |application |of |a
|voltage |can |release |the |electrons |back |into |solution
SOLUTIONS
Direct |current |is |defined |as |- |ANSWER the |flow |of |electrons |in |one |direction
|throughout |a |circuit |with |constant |voltage |and |current
Faraday's |Law |- |ANSWER current |will |flow |in |a |circuit |provided |there |is |electrical
|difference |in |potential |and |there |is |a |path |for |it |to |flow
Loads |slow |current |by |- |ANSWER applying |resistance
Current |flows |from |- |ANSWER
| negative |to |positive
Atoms |- |ANSWER represent |the |smallest |elements |that |exist |in |nature
Atoms |are |made |up |of |- |ANSWER
| protons, |neutrons |and |electrons
Nucleaus |- |ANSWER
| center |of |the |atom
Electrons |travel |- |ANSWER at |the |speed |of |light
Protons |- |ANSWER positively |charged |subatomic |particles
Protons |contain |- |ANSWER
| a |positive |electrical |potential
Protons |positive |charge |- |ANSWER affect |the |orbits |of |the |electrons
Neutrons |are |- |ANSWER
| neutral |subatomic |particles
Neutrons |are |not |involved |- |ANSWER in |the |conduction |of |electricity
Electron's |charge |- |ANSWER
| is |negative
The |speed |of |rotation |combined |with |electrical |potential |- |ANSWER keeps |the
|electrons |in |their |orbits
The |attraction |of |opposite |charges |- |ANSWER holds |the |electron |in |its |orbit
Conductors |- |ANSWER easily |permit |the |movement |of |electrons |from |an
|electrical |source |to |a |load |and |back |to |the |electrical |source |with |a |minimum |of
|resistance
First |two |inner |orbits |- |ANSWER make |up |the |atomic |number |for |the |element
During |conductance |an |extra |valence |electron |- |ANSWER flows |into |the |next
|atoms |valance |orbit
,Good |conductors |- |ANSWER Only |those |elements |that |dont |hang |on |to |their
|valence |electrons
Good |Insulators |- |ANSWER Elements |that |don't |give |up |valance |electrons |no
|matter |what |force |is |applied
lators |- |ANSWER a |material |or |device |used |to |prevent |the |passage |of |heat,
|electricity |or |sound |from |one |medium |to |another
Examples |of |insulators |- |ANSWER Glass, |Mica, |Silica
Air |- |ANSWER can |be |a |good |insulator |but |will |spark |when |enough |electrical
|force |is |applied
Static |Electricity |- |ANSWER an |electrical |charge |that |may |be |built |up |on |a
|non-conductive |surface |by |friction
Static |electricity |serves |- |ANSWER no |useful |purpose |in |aviation |and |cost
|millions |of |dollars |in |damage |every |year
Voltage |- |ANSWER electric |potential |energy |per |unit |charge |measured |in |joules
|per |coulomb
Coulomb |- |ANSWER basic |unit |of |electrical |quantiy
Coluomb |is |equal |to |- |ANSWER
| 6.28 |billion-billion |electrons
Coluomb |is |the |- |ANSWER actual |count |of |electrons |in |a |unit |of |measure
Joule |- |ANSWER amount |of |electrons |in |a |suspended |state |as |compared |to |some
|electrons |in |an |adjacent |part |of |the |circuit
Electromotive |Force |- |ANSWER is |the |force |required |to |move |an |electron
|measured |in |volts
EMF |- |ANSWER is |the |force |required |to |cause |one |amp |of |the |current |of |flow
|through |one |ohm |of |reistance
Mechanical, |Chemical, |Friction |- |ANSWER three |methods |used |to |generate |EMF
Volt |- |ANSWER
| basic |unit |of |measure |of |electrical |pressure
A |Volt |is |that |amount |of |force |- |ANSWER required |to |cause |on |amp |of |current |to
|flow |through |one |ohm |of |resistance
E |is |the |symbol |for |- |ANSWER volts
,Current |is |- |ANSWER the |flow |of |electricity |that |pass |a |given |point |in |a |specific
|amount |of |time
I |is |the |symbol |for |- |ANSWER amps
Amps |- |ANSWER unit |of |measure |used |to |express |the |flow |of |electrons |Current
flows |- |ANSWER
| from |a |negative |electrical |potential |to |a |positive |one
Resistance |is |- |ANSWER electrical |opposition |to |the |current |flow |in |a |conductor
Resistance |does |what |- |ANSWER opposed |or |slows |down |another |force, |drops,
|voltage |and |consumes |power
First |rule |of |resistance |- |ANSWER current |will |take |the |path |of |less |resistance
Zig |zag |line |- |ANSWER
| symbol |of |a |resistor |in |an |electrical |schematic
Resistance |is |measured |- |ANSWER
| in |Ohms |and |uses |the |omega |symbol
One |ohm |- |ANSWER limits |the |flow |of |current |to |one |amp |under |a |voltage
|pressure |of |one |volt
Ohms |law |states |- |ANSWER the |amount |of |current |flowing |in |a |circuit |is |directly
|proportional |to |the |circuit |voltage |and |inversely |proportional |to |the |circuit
|resistance
Ohm's |Law |- |ANSWER I= |V/R, |Current |is |equal |to |Voltage |divided |by |resistance
Watt |- |ANSWER a |basic |unit |of |electrical |power |that |is |the |product |of |voltage
|multiplied |by |current
One |Watt |equals |- |ANSWER 1/746 |horsepower
One |watt |is |produced |when |- |ANSWER a |circut |that |has |one |amp |of |current
|flowing |under |a |pressure |of |one |volt
First |rule |of |series |circuits |- |ANSWER there |is |only |one |path |for |current |to |flow
|therefore |current |equal |throughout |the |circuit
Second |rule |of |series |circuits |- |ANSWER the |voltage |drop |at |each |resistor |will |be
|the |sum |of |total |applied |voltage
Parallel |circuits |- |ANSWER are |those |that |offer |several |paths |for |current |flow
, Current |is |divided |in |a |parallel |circuit |- |ANSWER evenly |between |the |branches
In |a |parallel |circuit |the |total |current |load |- |ANSWER is |the |sum |of |the |currents |in
|the |banches
In |a |parallel |circuit, |voltage |is |- |ANSWER common |through |each |of |the |branches
In |series |parallel |cicuits, |- |ANSWER each |section |needs |to |be |worked |to |its
|simplest |elements |then |reworked |to |fill |in |the |unknowns
A |capacitor |- |ANSWER an |electrical |component |used |to |store |electrical |energy |in
|the |form |of |an |electrostatic |field
A |capacitor |is |made |of |- |ANSWER two |parallel |conductors |seperated |by |an
|insulator |called |the |diaelectric
A |capacitor's |electrical |property |- |ANSWER blocks |DC |voltages |and |passes |AC
|voltages
A |battery |is |a |device |- |ANSWER made |of |one |or |more |individual |electrochemical
|cells |used |to |store |chemical |energy |and |make |that |every |available |in |chemical |form
Primary |batteries |- |ANSWER once |expended |cannot |be |recharged
Secondary |batteries |- |ANSWER can |be |recharged |because |the |application |of |a
|voltage |can |release |the |electrons |back |into |solution
