P
.7
-
7
A
3
-
(
GHz
)
,
y
-
polarized uniform plane wave propagates in the
+
x
-
direction in a nonmagnetic medium having a dielectric constant
2.5
and a loss tangent
0.05
.
a
)
Determine the distance over which the amplitude of the propagating wave will be cut in half. b
)
Determine the intrinsic impedance, the wavelength, the phase velocity, and the group velocity of the wave in the medium. c
)
Assuming
E
=
a
y
50sin(6π
10
9
t
+
π
3
)(
V
m
)
at
x
=
0
,
write the instanta
-
neous expression for
H
for all
t
and
x
.
.7
-
7
A
3
-
(
GHz
)
,
y
-
polarized uniform plane wave propagates in the
+
x
-
direction in a nonmagnetic medium having a dielectric constant
2.5
and a loss tangent
0.05
.
a
)
Determine the distance over which the amplitude of the propagating wave will be cut in half. b
)
Determine the intrinsic impedance, the wavelength, the phase velocity, and the group velocity of the wave in the medium. c
)
Assuming
E
=
a
y
50sin(6π
10
9
t
+
π
3
)(
V
m
)
at
x
=
0
,
write the instanta
-
neous expression for
H
for all
t
and
x
.