introduction Flashcards
1
Q
Electrical Engineering
A
generating, transmitting and using energy that powers the world.
2
Q
electronic engineering
A
transmitting and processing info.
3
Q
why use radio waves?
A
> can be transmitted efficiently in the form of electro magnetic energy,
using antennas
physically small at high fs
w/ many users, can allocate each one with a diff rf freq or channel so convos dont interfere
4
Q
rf
A
radio frequency
5
Q
electron charge
A
-1.602x10^-19
6
Q
proton charge
A
opposite of electron [same no.]
7
Q
1c is equ to
A
6x10^18 electrons
8
Q
like charges……… and unlike charges……….
A
repel, attract.
9
Q
permitiivity is the quality of a material or medium that
A
allows it to store electric charge
10
Q
e0=
A
8.854x10^-12
11
Q
how to resolve vectors….look slide 31
A
…
12
Q
learn fundamentals of electricty slides
A
good girl :]
