20
Voltages and Currents as
Functions of Time
•
Since
a
=
w
t
, the equation
e
=
E
m
sin
a
becomes
e(t)
=
E
m
sin
w
t
•
Also,
v(t)
=
V
m
sin
w
t
and
i(t)
=
I
m
sin
w
t
