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Electromagnetic oscillation and waves
Electromagnetic waves in transmission lines
instantaneous current
i =
A
x
pA
nA
μA
mA
A
kA
current amplitude
I
m
=
A
x
pA
nA
μA
mA
A
kA
angular frequency ω=2πν
ω =
1/s
x
1/s
time
t =
s
x
ps
ns
μs
ms
s
min
h
d
y
traversed distance
x =
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
phase velocity of electromagnetic wave
c =
m/s
x
m/s
km/h
cm/s
ft/s
kn
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
