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ATT Actual Test Exam Questions with Correct Answers
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ATT Actual Test Exam Questions with Correct Answers
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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.
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