NCATT AET
Direct current is defined as - answerthe flow of electrons in one direction throughout a
circuit with constant voltage and current
Faraday's Law - answercurrent 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 - answerapplying resistance
Current flows from - answernegative to positive
Atoms - answerrepresent the smallest elements that exist in nature
Atoms are made up of - answerprotons, neutrons and electrons
Nucleaus - answercenter of the atom
Electrons travel - answerat the speed of light
Protons - answerpositively charged subatomic particles
Protons contain - answera positive electrical potential
Protons positive charge - answeraffect the orbits of the electrons
Neutrons are - answerneutral subatomic particles
Neutrons are not involved - answerin the conduction of electricity
Electron's charge - answeris negative
The speed of rotation combined with electrical potential - answerkeeps the electrons in
their orbits
The attraction of opposite charges - answerholds the electron in its orbit
Conductors - answereasily 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 - answermake up the atomic number for the element
,During conductance an extra valence electron - answerflows into the next atoms
valance orbit
Good conductors - answerOnly those elements that dont hang on to their valence
electrons
Good Insulators - answerElements that don't give up valance electrons no matter what
force is applied
lators - answera material or device used to prevent the passage of heat, electricity or
sound from one medium to another
Examples of insulators - answerGlass, Mica, Silica
Air - answercan be a good insulator but will spark when enough electrical force is
applied
Static Electricity - answeran electrical charge that may be built up on a non-conductive
surface by friction
Static electricity serves - answerno useful purpose in aviation and cost millions of
dollars in damage every year
Voltage - answerelectric potential energy per unit charge measured in joules per
coulomb
Coulomb - answerbasic unit of electrical quantiy
Coluomb is equal to - answer6.28 billion-billion electrons
Coluomb is the - answeractual count of electrons in a unit of measure
Joule - answeramount of electrons in a suspended state as compared to some
electrons in an adjacent part of the circuit
Electromotive Force - answeris the force required to move an electron measured in
volts
EMF - answeris the force required to cause one amp of the current of flow through one
ohm of reistance
Mechanical, Chemical, Friction - answerthree methods used to generate EMF
Volt - answerbasic unit of measure of electrical pressure
, A Volt is that amount of force - answerrequired to cause on amp of current to flow
through one ohm of resistance
E is the symbol for - answervolts
Current is - answerthe flow of electricity that pass a given point in a specific amount of
time
I is the symbol for - answeramps
Amps - answerunit of measure used to express the flow of electrons
Current flows - answerfrom a negative electrical potential to a positive one
Resistance is - answerelectrical opposition to the current flow in a conductor
Resistance does what - answeropposed or slows down another force, drops, voltage
and consumes power
First rule of resistance - answercurrent will take the path of less resistance
Zig zag line - answersymbol of a resistor in an electrical schematic
Resistance is measured - answerin Ohms and uses the omega symbol
One ohm - answerlimits the flow of current to one amp under a voltage pressure of one
volt
Ohms law states - answerthe amount of current flowing in a circuit is directly
proportional to the circuit voltage and inversely proportional to the circuit resistance
Ohm's Law - answerI= V/R, Current is equal to Voltage divided by resistance
Watt - answera basic unit of electrical power that is the product of voltage multiplied by
current
One Watt equals - answer1/746 horsepower
One watt is produced when - answera circut that has one amp of current flowing under
a pressure of one volt
First rule of series circuits - answerthere is only one path for current to flow therefore
current equal throughout the circuit
Second rule of series circuits - answerthe voltage drop at each resistor will be the sum
of total applied voltage
Direct current is defined as - answerthe flow of electrons in one direction throughout a
circuit with constant voltage and current
Faraday's Law - answercurrent 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 - answerapplying resistance
Current flows from - answernegative to positive
Atoms - answerrepresent the smallest elements that exist in nature
Atoms are made up of - answerprotons, neutrons and electrons
Nucleaus - answercenter of the atom
Electrons travel - answerat the speed of light
Protons - answerpositively charged subatomic particles
Protons contain - answera positive electrical potential
Protons positive charge - answeraffect the orbits of the electrons
Neutrons are - answerneutral subatomic particles
Neutrons are not involved - answerin the conduction of electricity
Electron's charge - answeris negative
The speed of rotation combined with electrical potential - answerkeeps the electrons in
their orbits
The attraction of opposite charges - answerholds the electron in its orbit
Conductors - answereasily 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 - answermake up the atomic number for the element
,During conductance an extra valence electron - answerflows into the next atoms
valance orbit
Good conductors - answerOnly those elements that dont hang on to their valence
electrons
Good Insulators - answerElements that don't give up valance electrons no matter what
force is applied
lators - answera material or device used to prevent the passage of heat, electricity or
sound from one medium to another
Examples of insulators - answerGlass, Mica, Silica
Air - answercan be a good insulator but will spark when enough electrical force is
applied
Static Electricity - answeran electrical charge that may be built up on a non-conductive
surface by friction
Static electricity serves - answerno useful purpose in aviation and cost millions of
dollars in damage every year
Voltage - answerelectric potential energy per unit charge measured in joules per
coulomb
Coulomb - answerbasic unit of electrical quantiy
Coluomb is equal to - answer6.28 billion-billion electrons
Coluomb is the - answeractual count of electrons in a unit of measure
Joule - answeramount of electrons in a suspended state as compared to some
electrons in an adjacent part of the circuit
Electromotive Force - answeris the force required to move an electron measured in
volts
EMF - answeris the force required to cause one amp of the current of flow through one
ohm of reistance
Mechanical, Chemical, Friction - answerthree methods used to generate EMF
Volt - answerbasic unit of measure of electrical pressure
, A Volt is that amount of force - answerrequired to cause on amp of current to flow
through one ohm of resistance
E is the symbol for - answervolts
Current is - answerthe flow of electricity that pass a given point in a specific amount of
time
I is the symbol for - answeramps
Amps - answerunit of measure used to express the flow of electrons
Current flows - answerfrom a negative electrical potential to a positive one
Resistance is - answerelectrical opposition to the current flow in a conductor
Resistance does what - answeropposed or slows down another force, drops, voltage
and consumes power
First rule of resistance - answercurrent will take the path of less resistance
Zig zag line - answersymbol of a resistor in an electrical schematic
Resistance is measured - answerin Ohms and uses the omega symbol
One ohm - answerlimits the flow of current to one amp under a voltage pressure of one
volt
Ohms law states - answerthe amount of current flowing in a circuit is directly
proportional to the circuit voltage and inversely proportional to the circuit resistance
Ohm's Law - answerI= V/R, Current is equal to Voltage divided by resistance
Watt - answera basic unit of electrical power that is the product of voltage multiplied by
current
One Watt equals - answer1/746 horsepower
One watt is produced when - answera circut that has one amp of current flowing under
a pressure of one volt
First rule of series circuits - answerthere is only one path for current to flow therefore
current equal throughout the circuit
Second rule of series circuits - answerthe voltage drop at each resistor will be the sum
of total applied voltage
