NCATT AET QUESTIONS AND
ASWERS
Direct-current-is-defined-as---ans-✔✔the-flow-of-electrons-in-one-direction-throughout-a-
circuit-with-constant-voltage-and-current
Faraday's-Law---ans-✔✔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---ans-✔✔applying-resistance
Current-flows-from---ans-✔✔negative-to-positive
Atoms---ans-✔✔represent-the-smallest-elements-that-exist-in-nature
Atoms-are-made-up-of---ans-✔✔protons,-neutrons-and-electrons
Nucleaus---ans-✔✔center-of-the-atom
Electrons-travel---ans-✔✔at-the-speed-of-light
Protons---ans-✔✔positively-charged-subatomic-particles
Protons-contain---ans-✔✔a-positive-electrical-potential
Protons-positive-charge---ans-✔✔affect-the-orbits-of-the-electrons
Neutrons-are---ans-✔✔neutral-subatomic-particles
Neutrons-are-not-involved---ans-✔✔in-the-conduction-of-electricity
Electron's-charge---ans-✔✔is-negative
The-speed-of-rotation-combined-with-electrical-potential---ans-✔✔keeps-the-electrons-in-
their-orbits
The-attraction-of-opposite-charges---ans-✔✔holds-the-electron-in-its-orbit
,Conductors---ans-✔✔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---ans-✔✔make-up-the-atomic-number-for-the-element
During-conductance-an-extra-valence-electron---ans-✔✔flows-into-the-next-atoms-
valance-orbit
Good-conductors---ans-✔✔Only-those-elements-that-dont-hang-on-to-their-valence-
electrons
Good-Insulators---ans-✔✔Elements-that-don't-give-up-valance-electrons-no-matter-what-
force-is-applied
lators---ans-✔✔a-material-or-device-used-to-prevent-the-passage-of-heat,-electricity-or-
sound-from-one-medium-to-another
Examples-of-insulators---ans-✔✔Glass,-Mica,-Silica
Air---ans-✔✔can-be-a-good-insulator-but-will-spark-when-enough-electrical-force-is-applied
Static-Electricity---ans-✔✔an-electrical-charge-that-may-be-built-up-on-a-non-conductive-
surface-by-friction
Static-electricity-serves---ans-✔✔no-useful-purpose-in-aviation-and-cost-millions-of-dollars-
in-damage-every-year
Voltage---ans-✔✔electric-potential-energy-per-unit-charge-measured-in-joules-per-
coulomb
Coulomb---ans-✔✔basic-unit-of-electrical-quantiy
Coluomb-is-equal-to---ans-✔✔6.28-billion-billion-electrons
Coluomb-is-the---ans-✔✔actual-count-of-electrons-in-a-unit-of-measure
Joule---ans-✔✔amount-of-electrons-in-a-suspended-state-as-compared-to-some-electrons-
in-an-adjacent-part-of-the-circuit
Electromotive-Force---ans-✔✔is-the-force-required-to-move-an-electron-measured-in-volts
EMF---ans-✔✔is-the-force-required-to-cause-one-amp-of-the-current-of-flow-through-one-
ohm-of-reistance
Mechanical,-Chemical,-Friction---ans-✔✔three-methods-used-to-generate-EMF
, Volt---ans-✔✔basic-unit-of-measure-of-electrical-pressure
A-Volt-is-that-amount-of-force---ans-✔✔required-to-cause-on-amp-of-current-to-flow-
through-one-ohm-of-resistance
E-is-the-symbol-for---ans-✔✔volts
Current-is---ans-✔✔the-flow-of-electricity-that-pass-a-given-point-in-a-specific-amount-of-
time
I-is-the-symbol-for---ans-✔✔amps
Amps---ans-✔✔unit-of-measure-used-to-express-the-flow-of-electrons
Current-flows---ans-✔✔from-a-negative-electrical-potential-to-a-positive-one
Resistance-is---ans-✔✔electrical-opposition-to-the-current-flow-in-a-conductor
Resistance-does-what---ans-✔✔opposed-or-slows-down-another-force,-drops,-voltage-
and-consumes-power
First-rule-of-resistance---ans-✔✔current-will-take-the-path-of-less-resistance
Zig-zag-line---ans-✔✔symbol-of-a-resistor-in-an-electrical-schematic
Resistance-is-measured---ans-✔✔in-Ohms-and-uses-the-omega-symbol
One-ohm---ans-✔✔limits-the-flow-of-current-to-one-amp-under-a-voltage-pressure-of-one-
volt
Ohms-law-states---ans-✔✔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---ans-✔✔I=-V/R,-Current-is-equal-to-Voltage-divided-by-resistance
Watt---ans-✔✔a-basic-unit-of-electrical-power-that-is-the-product-of-voltage-multiplied-by-
current
One-Watt-equals---ans-✔✔1/746-horsepower
One-watt-is-produced-when---ans-✔✔a-circut-that-has-one-amp-of-current-flowing-under-a-
pressure-of-one-volt
First-rule-of-series-circuits---ans-✔✔there-is-only-one-path-for-current-to-flow-therefore-
current-equal-throughout-the-circuit
ASWERS
Direct-current-is-defined-as---ans-✔✔the-flow-of-electrons-in-one-direction-throughout-a-
circuit-with-constant-voltage-and-current
Faraday's-Law---ans-✔✔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---ans-✔✔applying-resistance
Current-flows-from---ans-✔✔negative-to-positive
Atoms---ans-✔✔represent-the-smallest-elements-that-exist-in-nature
Atoms-are-made-up-of---ans-✔✔protons,-neutrons-and-electrons
Nucleaus---ans-✔✔center-of-the-atom
Electrons-travel---ans-✔✔at-the-speed-of-light
Protons---ans-✔✔positively-charged-subatomic-particles
Protons-contain---ans-✔✔a-positive-electrical-potential
Protons-positive-charge---ans-✔✔affect-the-orbits-of-the-electrons
Neutrons-are---ans-✔✔neutral-subatomic-particles
Neutrons-are-not-involved---ans-✔✔in-the-conduction-of-electricity
Electron's-charge---ans-✔✔is-negative
The-speed-of-rotation-combined-with-electrical-potential---ans-✔✔keeps-the-electrons-in-
their-orbits
The-attraction-of-opposite-charges---ans-✔✔holds-the-electron-in-its-orbit
,Conductors---ans-✔✔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---ans-✔✔make-up-the-atomic-number-for-the-element
During-conductance-an-extra-valence-electron---ans-✔✔flows-into-the-next-atoms-
valance-orbit
Good-conductors---ans-✔✔Only-those-elements-that-dont-hang-on-to-their-valence-
electrons
Good-Insulators---ans-✔✔Elements-that-don't-give-up-valance-electrons-no-matter-what-
force-is-applied
lators---ans-✔✔a-material-or-device-used-to-prevent-the-passage-of-heat,-electricity-or-
sound-from-one-medium-to-another
Examples-of-insulators---ans-✔✔Glass,-Mica,-Silica
Air---ans-✔✔can-be-a-good-insulator-but-will-spark-when-enough-electrical-force-is-applied
Static-Electricity---ans-✔✔an-electrical-charge-that-may-be-built-up-on-a-non-conductive-
surface-by-friction
Static-electricity-serves---ans-✔✔no-useful-purpose-in-aviation-and-cost-millions-of-dollars-
in-damage-every-year
Voltage---ans-✔✔electric-potential-energy-per-unit-charge-measured-in-joules-per-
coulomb
Coulomb---ans-✔✔basic-unit-of-electrical-quantiy
Coluomb-is-equal-to---ans-✔✔6.28-billion-billion-electrons
Coluomb-is-the---ans-✔✔actual-count-of-electrons-in-a-unit-of-measure
Joule---ans-✔✔amount-of-electrons-in-a-suspended-state-as-compared-to-some-electrons-
in-an-adjacent-part-of-the-circuit
Electromotive-Force---ans-✔✔is-the-force-required-to-move-an-electron-measured-in-volts
EMF---ans-✔✔is-the-force-required-to-cause-one-amp-of-the-current-of-flow-through-one-
ohm-of-reistance
Mechanical,-Chemical,-Friction---ans-✔✔three-methods-used-to-generate-EMF
, Volt---ans-✔✔basic-unit-of-measure-of-electrical-pressure
A-Volt-is-that-amount-of-force---ans-✔✔required-to-cause-on-amp-of-current-to-flow-
through-one-ohm-of-resistance
E-is-the-symbol-for---ans-✔✔volts
Current-is---ans-✔✔the-flow-of-electricity-that-pass-a-given-point-in-a-specific-amount-of-
time
I-is-the-symbol-for---ans-✔✔amps
Amps---ans-✔✔unit-of-measure-used-to-express-the-flow-of-electrons
Current-flows---ans-✔✔from-a-negative-electrical-potential-to-a-positive-one
Resistance-is---ans-✔✔electrical-opposition-to-the-current-flow-in-a-conductor
Resistance-does-what---ans-✔✔opposed-or-slows-down-another-force,-drops,-voltage-
and-consumes-power
First-rule-of-resistance---ans-✔✔current-will-take-the-path-of-less-resistance
Zig-zag-line---ans-✔✔symbol-of-a-resistor-in-an-electrical-schematic
Resistance-is-measured---ans-✔✔in-Ohms-and-uses-the-omega-symbol
One-ohm---ans-✔✔limits-the-flow-of-current-to-one-amp-under-a-voltage-pressure-of-one-
volt
Ohms-law-states---ans-✔✔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---ans-✔✔I=-V/R,-Current-is-equal-to-Voltage-divided-by-resistance
Watt---ans-✔✔a-basic-unit-of-electrical-power-that-is-the-product-of-voltage-multiplied-by-
current
One-Watt-equals---ans-✔✔1/746-horsepower
One-watt-is-produced-when---ans-✔✔a-circut-that-has-one-amp-of-current-flowing-under-a-
pressure-of-one-volt
First-rule-of-series-circuits---ans-✔✔there-is-only-one-path-for-current-to-flow-therefore-
current-equal-throughout-the-circuit
