ATT Test 4 Comprehensive Questions (Frequently Most Tested) with Verified Answers

ATT Test 4 Comprehensive
Questions (Frequently Most
Tested) with Verified Answers
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.