ATT TEST 3 STUDY GUIDE UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

ATT TEST 3 STUDY GUIDE UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. Alternating Current (AC)
Answer:
First flows in one direction and then in the other, Reversing many times each second.

Question:
2. Direct Current (DC)
Answer:
flows in one direction only

Question:
3. Period
Answer:
Is the length of time required to complete one cycle of an AC Sine Wave.

Question:
4. Frequency
Answer:
Is Determined by the number of cycles that occur in one second. (F)

Question:
5. The Formula For Frequency
Answer:
F=1/T

Question:
6. Wavelength
Answer:
Is the distance from the beginning to one complete cycle of Ac Sine Wave.

Question:
7. The Formula For Wavelength
Answer:
(300 X 10^6)/F

Question:
8. The Three Characteristics Needed For Sine Wave Calculations.
Answer:
Frequency, Period And Wavelength

Question:
9. Period

, Answer:
Is Determined by the time taken to complete one cycle of The AC Sine Wave. (T)

Question:
10. Wavelength
Answer:
Is determined by measuring the actual distance between beginning and end of one cycle.

Question:
11. Induction
Answer:
Is the varying magnetic flux in a magnetic field for the purposes of generating AC current

Question:
12. In order To Induct current three things are required...
Answer:
A Conductor, Magnetic Field And Relative Motion.

Question:
13. Current Is Induced By...
Answer:
Moving a conductor through a stationary Magnetic Field.

Question:
14. Four Methods Used to describe Ac Voltage or Current in a Sine Wave...
Answer:
Peak, Peak To Peak, RMS and Average

Question:
15. Peak
Answer:
Is determined by the highest positive or negative voltage obtained.

Question:
16. Peak To Peak
Answer:
Is the voltage of the most positive to the most negative point on the AC sine Wave. (Max Highest to Max
Lowest)

Question:
17. Phase Angle
Answer:
The amount of by which waveforms lead or lag one another.

Question:
18. Oscilloscope