22
Voltages and Currents with
Phase Shifts
•
If a sine wave does not pass through zero
at
t
= 0, it has a phase shift
•
For a waveform shifted left
–
v
=
V
m
sin(
w
t
+
q
)
•
For a waveform shifted right
–
v
=
V
m
sin(
w
t
-
q
)