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ATT Test 4 (AC Circuits) - Questions And Answers
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ATT Test 4 (AC Circuits) - Questions And Answers
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ATT Test 4 (AC Circuits) - Questions And AnswersAn electrical current that changes both in magnitude and direction. Right
Ans - alternating current
AC is developed by sources called _____________. Right Ans - alternators and
generators
A device which converts mechanical energy into an alternating electrical
current. Right Ans - alternator
A rotating device for converting mechanical energy into an alternating
electrical energy. Right Ans - generator
Three basic sine wave characteristics: Right Ans - frequency, period, and
wavelength
One cycle of AC always consists of ______________. Right Ans - two alterations
A unit of measure for frequency. Right Ans - Hertz
_________ is the number of complete cycles occurring in one second. Right
Ans - frequency
The time it takes for a sine wave to complete one cycle. Right Ans - period
The actual distance between the beginning and end of one AC sine wave cycle.
Right Ans - wavelength
AC current flows from ______________. Right Ans - negative to positive
The magnetic or electric effect of one body on another without any physical
contact between them. Right Ans - induction
A magnetic field is composed of magnetic lines of _______. Right Ans - flux
The direction of the flux lines is from the _______ Pole to the _______ Pole.
Right Ans - north, south
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