Question

Deadline:

100% until Sunday, April 22 at 11:59 PM

Electromagnetic Waves 2

1

2

3

4

1

6

A plane monochromatic electromagnetic wave with wavelength ? = 2.1 cm, propagates through a vacuum. Its magnetic field is described by

B? =(Bxi^+Byj^)cos(kz+?t)B?=(Bxi^+Byj^)cos?(kz+?t)

where *B _{x}* = 2 X 10

1)

What is f, the frequency of this wave?GHz

You currently have 3 submissions for this question. Only 10
submission are allowed.

You can make 7 more submissions for this question.

Your submissions:

14.29

Computed value:

14.29

Submitted:

Thursday, April 19 at 8:31 PM

Feedback:

Your answer has been judged correct; the exact answer is: 14.2857142857143.

2)

What is I, the intensity of this wave? W/m^{2}

You currently have 0 submissions for this question. Only 10
submission are allowed.

You can make 10 more submissions for this question.

3)

What is S_{z}, the z-component of the Poynting vector at
(x = 0, y = 0, z = 0) at t = 0? W/m^{2}

You currently have 0 submissions for this question. Only 10
submission are allowed.

You can make 10 more submissions for this question.

4)

What is E_{x}, the x-component of the electric field at
(x = 0, y = 0, z = 0) at t = 0?V/m

You currently have 0 submissions for this question. Only 10
submission are allowed.

You can make 10 more submissions for this question.

Answer #1

A plane monochromatic electromagnetic wave with wavelength λ =
3.2 cm, propagates through a vacuum. Its magnetic field is
described by
B⃗ =(Bxi^+Byj^)cos(kz+ωt)B→=(Bxi^+Byj^)cos(kz+ωt)
where Bx = 3.6 X 10-6 T,
By = 4.4 X 10-6 T, and i-hat and
j-hat are the unit vectors in the +x and +y directions,
respectively.
1)What is f, the frequency of this wave?
2)What is I, the intensity of this wave?
3)What is Sz, the z-component of the Poynting vector
at (x = 0,...

A plane monochromatic electromagnetic wave with wavelength λ =
4.9 cm, propagates through a vacuum. Its magnetic field is
described by B⃗ =(Bxi^+Byj^)cos(kz+ωt) where Bx = 3.8 X 10-6 T, By
= 3.2 X 10-6 T, and i-hat and j-hat are the unit vectors in the +x
and +y directions, respectively.
1) What is f, the frequency of this wave?
2) What is I, the intensity of this wave?
3) What is Sz, the z-component of the Poynting vector at...

A plane monochromatic electromagnetic wave with wavelength λ =
5.8 cm, propagates through a vacuum. Its magnetic field is
described by
ωωωωωωB→=(Bxi^+Byj^)cos(kz+ωt)
where Bx = 1.6 X 10-6 T,
By = 4.3 X 10-6 T, and i-hat and
j-hat are the unit vectors in the +x and +y directions,
respectively.
f = 5.17GHz
I = 2512.6 W/m^2
3)
What is Sz, the z-component of the Poynting vector at
(x = 0, y = 0, z = 0) at t =...

Currents up to 30 A can be carried by 10 gauge copper wire.
1)
What is the resistance of 110 m of 10 gauge copper wire?
?
You currently have 0 submissions for this question. Only 10
submission are allowed.
You can make 10 more submissions for this question.
2)
What is the electric field in the wire when the current is 30
A?
mV/m
You currently have 0 submissions for this question. Only 10
submission are allowed.
You can...

A current carrying wire is in the shape of an equilateral
triangle of edge length 4 cm. The triangle lies in the z =
0 plane. The wire carries a current of 2.2 A.
1)
What is the magnitude of the torque on the wire if it is in a
region with a uniform magnetic field of magnitude 0.32 T that
points in the +z direction?
N·m
You currently have 0 submissions for this question. Only 3
submission are allowed....

1. What is an ISP (Integrated Service Provider) for supply
chains? (1 point)
A. A consultant agency which integrates the supply chain for
companies
B. A 2 PL or a 3PL, but not a 4PL
C. A company supplying transportation and warehousing
services
D. A logistics service company specialized in suppling VAS (value
added
services)
2. What characterizes a 4 PL? (1 point)
A. They are non-asset based and provides integrated services
primarily
supplied by asset based providers, for example...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 39 minutes ago

asked 58 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago