FINAL EXAM ELECTRICAL TEST|| ACTUAL QUESTIONS WITH VERIFIED SOLUTION|| RATED A+

1. Which of the following is the most important advan- Easy to change the values
tage of AC power over DC power? of I and E
A. Easy to change the values of I and E
B. Easy to Generate
C. Saves weight
D. None of the Above

2. is created by the AC generator. Sine Wave
A. rectifier
B. sine wave
C. peak-to-peak RMS
D. direct current

3. One half of a sine wave is called a . Alternation
A. RMS wave
B. Period
C. Alternation
D. Cycle

4. The measured value from the maximum positive to Peak-to-Peak
the maximum negative values of voltage or current is
called values.
A. RMS
B. Peak-to-Peak
C. Period
D. Alternation
E. Cycle

5. AC Voltmeters measure in values. RMS
A. RMS
B. Peak-to-Peak

, C. Average Pow
er.
D. Alternation Squared

6. is the angular relationship between the
peak values of I and E.
A. Phase
B. Peak-to-Peak
C. Average Cos. angle
D. Alternation Squared Phase

7. RMS values = of the peak value.
A. Right Most angle Squared
B. .707
C. Average Cos. angle
D. .632

8. If a circuit has a peak voltage of 310.2 vac, what is the
RMS voltage?
A. 219 watts
B. 189 watts
C. 310 volts
D. 195 volts

9. If an AC generator has 8 poles and the rotor turns at
1,800 RPM, what is the frequency of AC produced in
Hz.?
A. 219
B. 120
C. 310
D. 189

10. The useful Power generated in an AC circuit is called

, Phase




.707




219 watts (310x.707=219)




120 (8/2x1800/60=120)




True