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ATT Comp Test (FC) | Actual Key
Questions With Answers
What is induction?-correct-answer-The generation of AC current by passing a
conductor through a magnetic field.
How many cycles per second is a frequency of 100 Hz?-correct-answer-100.
To induce a current, three things are needed:-correct-answer-A conductor, a
magnetic field, and relative motion
Peak value is:-correct-answer-The voltage or current value of a waveform at its
maximum positive or negative points.
How effective is AC vs DC?-correct-answer-AC is only 70.7% as effective as DC.
What is peak-to-peak voltage?-correct-answer-Voltage of a sine wave measured
from the most negative to the most positive point.
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What is the formula for finding a period of a wavelength?-correct-answer-T = 1/f
What is the period of a 100 Hz sine wave?-correct-answer-0.01
Formula for a wavelength?-correct-answer-(300 X 10^6)/f
What quantity cannot be measured directly or derived from oscilloscope?-correct-
answer-Resistance
A/an ___________ is a component that has the ability to concentrate a magnetic
field.-correct-answer-inductor
What are the three types of inductors?-correct-answer-Air core, iron core, and
variable.
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Inductance-correct-answer-basic unit is Henry (H, big so usually mH), ability of
conductor to induce(generate) V when cut by mag F.
What factors determine the amount of inductance?-correct-answer-Number of
turns of wire, distance between windings, cross sectional area of core, and
permeability of core.
What is a capacitor made of?-correct-answer-Two parallel plates separated by a
dielectric.
What are the types of capacitors?-correct-answer-Non polarized, electrolytic, and
variable.
What is capacitance?-correct-answer-The ability of a conductor to store energy in
the form of electrically separated charges.
What factors affect capacitance?-correct-answer-Plate size, distance between
plates, and dielectric material.
ATT Comp Test (FC) | Actual Key
Questions With Answers
What is induction?-correct-answer-The generation of AC current by passing a
conductor through a magnetic field.
How many cycles per second is a frequency of 100 Hz?-correct-answer-100.
To induce a current, three things are needed:-correct-answer-A conductor, a
magnetic field, and relative motion
Peak value is:-correct-answer-The voltage or current value of a waveform at its
maximum positive or negative points.
How effective is AC vs DC?-correct-answer-AC is only 70.7% as effective as DC.
What is peak-to-peak voltage?-correct-answer-Voltage of a sine wave measured
from the most negative to the most positive point.
,2|Page
What is the formula for finding a period of a wavelength?-correct-answer-T = 1/f
What is the period of a 100 Hz sine wave?-correct-answer-0.01
Formula for a wavelength?-correct-answer-(300 X 10^6)/f
What quantity cannot be measured directly or derived from oscilloscope?-correct-
answer-Resistance
A/an ___________ is a component that has the ability to concentrate a magnetic
field.-correct-answer-inductor
What are the three types of inductors?-correct-answer-Air core, iron core, and
variable.
, 3|Page
Inductance-correct-answer-basic unit is Henry (H, big so usually mH), ability of
conductor to induce(generate) V when cut by mag F.
What factors determine the amount of inductance?-correct-answer-Number of
turns of wire, distance between windings, cross sectional area of core, and
permeability of core.
What is a capacitor made of?-correct-answer-Two parallel plates separated by a
dielectric.
What are the types of capacitors?-correct-answer-Non polarized, electrolytic, and
variable.
What is capacitance?-correct-answer-The ability of a conductor to store energy in
the form of electrically separated charges.
What factors affect capacitance?-correct-answer-Plate size, distance between
plates, and dielectric material.
