ATT Actual Test Exam Questions with
Correct Answers (Rated A+)
alternating current - Answer-An electrical current that changes both in magnitude and
direction.
alternators and generators - Answer-AC is developed by sources called
_____________.
alternator - Answer-A device which converts mechanical energy into an alternating
electrical current.
generator - Answer-A rotating device for converting mechanical energy into an
alternating electrical energy.
frequency, period, and wavelength - Answer-Three basic sine wave characteristics:
two alterations - Answer-One cycle of AC always consists of ______________.
Hertz - Answer-A unit of measure for frequency.
frequency - Answer-_________ is the number of complete cycles occurring in one
second.
period - Answer-The time it takes for a sine wave to complete one cycle.
wavelength - Answer-The actual distance between the beginning and end of one AC
sine wave cycle.
negative to positive - Answer-AC current flows from ______________.
induction - Answer-The magnetic or electric effect of one body on another without any
physical contact between them.
flux - Answer-A magnetic field is composed of magnetic lines of _______.
north, south - Answer-The direction of the flux lines is from the _______ Pole to the
_______ Pole.
electromagnetic induction - Answer-The action of a conductor moving through a
magnetic field causing current flow.
RMS - Answer-The effective value of an AC voltage that causes the same amount of
power dissipation as a specific DC voltage.
Correct Answers (Rated A+)
alternating current - Answer-An electrical current that changes both in magnitude and
direction.
alternators and generators - Answer-AC is developed by sources called
_____________.
alternator - Answer-A device which converts mechanical energy into an alternating
electrical current.
generator - Answer-A rotating device for converting mechanical energy into an
alternating electrical energy.
frequency, period, and wavelength - Answer-Three basic sine wave characteristics:
two alterations - Answer-One cycle of AC always consists of ______________.
Hertz - Answer-A unit of measure for frequency.
frequency - Answer-_________ is the number of complete cycles occurring in one
second.
period - Answer-The time it takes for a sine wave to complete one cycle.
wavelength - Answer-The actual distance between the beginning and end of one AC
sine wave cycle.
negative to positive - Answer-AC current flows from ______________.
induction - Answer-The magnetic or electric effect of one body on another without any
physical contact between them.
flux - Answer-A magnetic field is composed of magnetic lines of _______.
north, south - Answer-The direction of the flux lines is from the _______ Pole to the
_______ Pole.
electromagnetic induction - Answer-The action of a conductor moving through a
magnetic field causing current flow.
RMS - Answer-The effective value of an AC voltage that causes the same amount of
power dissipation as a specific DC voltage.
