Basic Elelctrics Flashcards
1
Q
Lithium atom.
A
3 electrons
3 protons
4 neutrons
2
Q
What are moving electrons called?
A
Electrical current.
3
Q
Flow of electricity.
A
Flow of electrons from negative to positive.
4
Q
Conventional flow.
A
Used in DC circuits.
Positive to negative.
5
Q
AC and DC
A
AC - Current and voltage that changes.
DC - Current and voltage that is steady.
6
Q
Light aircraft electrical system
A
Has 14(12) volt DC system.
7
Q
Larger twin turbine aircraft electrical system.
A
28(24) volt DC system.
8
Q
Modern jet liner electrical system.
A
115v/200v AC system.
9
Q
Generating electricity.
A
Friction - static electricity
Magnetism- AC - generator
Chemical - DC - Batteries
Heat - DC - temperature sensing
Pressure - DC - sensing pressure (piezo electric)
Light - solar - sensing
