AC Power Flashcards
1
Q
What does AC stand for
A
Alternating current
2
Q
What way does AC current travel through a conductor
A
Both ways (it alternates)
3
Q
Advantages of AC over DC
A
Equipment lighter/cheaper
Voltage can be changed with transformers
4
Q
Speed which AC changes direction is called
A
Frequency (hz)
5
Q
Level voltage or current rises to is called
A
Amplitude
6
Q
How are AC cycles per second expressed
A
HZ
7
Q
What are the values of ships main electrical supplies
A
450v
3 phase
60hz
8
Q
Frequency equation
A
Frequency = 1/time
9
Q
What is unit of inductance and common values
A
Henry (H) + (mH + uH)
10
Q
AC waveform parts
A
\+peak value -peak value Amplitude One cycle Time
11
Q
Bar magnet components
A
12
Q
Labels of Effects of magnetic flux when magnets of same poles brought together
A
