(11%) Problem 8: The electric field of an electromagnetic wave is given by E - (6.0 × 10 3 V/m)sin 2 18 m %3D 6.0 x 10-8 E V 33% Part (a) Select the correct equation for the associated magnetic field. B = (2.0 x 10-11 sin 27 / Correct! 18 m 6.0 x 10-8 s 2 V 33% Part (b) Select the correct equation for the Poynting vector. š- (9.55 x 10* W/m) in" 2-(15 m 60 x 10+) w/m)sin 2(18 m 6.0 x 10-8 s / Correct! D A 33% Part (c) Select the correct equation for the average Poynting vector. O Saug = (4.8 x 10 8 W/m²) sin 27 %3D 18 m 6.0 x 10 8 O Saug = (4.8 x 10 W/m) sin 2 8 k 18 m 6.0 x 10-8 W/m² î W/m² k 9.6 x 10 8 W/m2 î O Saug 4.8 x 10 O Saug 9.55 x 10 O Saug O Sauy = (9.6 x 10 W/m?) sin 27 avg %3D 6.0 x 10 8
(11%) Problem 8: The electric field of an electromagnetic wave is given by E - (6.0 × 10 3 V/m)sin 2 18 m %3D 6.0 x 10-8 E V 33% Part (a) Select the correct equation for the associated magnetic field. B = (2.0 x 10-11 sin 27 / Correct! 18 m 6.0 x 10-8 s 2 V 33% Part (b) Select the correct equation for the Poynting vector. š- (9.55 x 10* W/m) in" 2-(15 m 60 x 10+) w/m)sin 2(18 m 6.0 x 10-8 s / Correct! D A 33% Part (c) Select the correct equation for the average Poynting vector. O Saug = (4.8 x 10 8 W/m²) sin 27 %3D 18 m 6.0 x 10 8 O Saug = (4.8 x 10 W/m) sin 2 8 k 18 m 6.0 x 10-8 W/m² î W/m² k 9.6 x 10 8 W/m2 î O Saug 4.8 x 10 O Saug 9.55 x 10 O Saug O Sauy = (9.6 x 10 W/m?) sin 27 avg %3D 6.0 x 10 8
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Transcribed Image Text:(11%) Problem 8: The electric field of an electromagnetic wave is given by
E = (6.0 x 10 3 V/m)sin|27|
%3D
18 m
6.0 x 10
-8
33% Part (a) Select the correct equation for the associated magnetic field.
(2.0 x 10-11
T)sin 27
k
/ Correct!
%3D
18 m
6.0 x 10-
33% Part (b) Select the correct equation for the Poynting vector.
s = (9.55 x 10-8 W/m² sin 27(1
%3D
6.0 x 10-8
/ Correct!
D A 33% Part (c) Select the correct equation for the average Poynting vector.
O Saug
8.
4.8 x 10
W/m) sin 27
18 m
6.0 x 10-8
O Savg
W/m?) sin 27
4.8x10
k
%3D
18 m
6.0 x 10-8
O Saug
O Saug
W/m² i
W/m? k
4.8 x 10
8
9.55 x 10
Saug
= 9.6 x 10 8 W/m2 î
O Sang = (9.6 >
W/m²) sin 27
8
(9.6 x 10
18 m
6.0 x 10
8.
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