Question

At time t=0 an electron at the origin is subjected to a force that briefly accelerates it in the -z direction, with an acceleration of 9e+17 m/s2. Before trying to answer the following questions, draw a clear diagram.

Location D is at < -22, 0, 0 > m.

At what time is a radiative electric field first detected at location D? _____s

What is the direction of propagation of electromagnetic radiation that is detected at location D?

+/- X +/-Y+/- Z 0

What is the direction of the radiative electric field observed at location D?

+/- X +/-Y+/- Z 0

What is the magnitude of the radiative electric field observed at location D? |rad| = V/m

What is the direction of the radiative magnetic field observed at location D?

+/- X +/-Y+/- Z 0

What is the magnitude of the radiative magnetic field observed at location D? |rad| = T

Location H is at < 0,16, 0 > m.

At what time is a radiative electric field first detected at location H? s

What is the direction of propagation of electromagnetic radiation that is detected at location H?

+/- X +/-Y+/- Z 0

What is the direction of the radiative electric field observed at location H?

+/- X +/-Y+/- Z 0

What is the magnitude of the radiative electric field observed at location H? |rad| = V/m

What is the direction of the radiative magnetic field observed at location H?

+/- X +/-Y+/- Z 0

What is the magnitude of the radiative magnetic field observed at location H? |rad| = T

Answer #1

When at rest, a proton experiences a net electromagnetic force
of magnitude 8.5×10−13 N pointing in the positive x direction. When
the proton moves with a speed of 1.4×106 m/s in the positive y
direction, the net electromagnetic force on it decreases in
magnitude to 7.5×10−13 N , still pointing in the positive x
direction.
PART A
Find the
magnitude of the electric field.
PART
B
Find the direction of the electric field.
a. positive x direction
b. negative...

A plane electromagnetic wave varies sinusoidally at 98.2 MHz as
it travels through vacuum along the positive x direction.
The peak value of the electric field is 2.10 mV/m, and it is
directed along the positive y direction.
(a) Find the wavelength.
m
(b) Find the period.
ns
(c) Find the maximum value of the magnetic field.
pT
(d) Write expressions in SI units for the space and time variations
of the electric field. (x is in meters, and t...

Al electromagnetic wave of 4.0 GHz has an electric field, E(z/t)
and a magnitude of E0 + = 120π.If the wave propagastes throguh a
material with conductivity σ = 7.5 x 10−3 S/m, relative
permeability µr = 1.0, and relative permittivity εr = 14.0:
a. Determine the constant of propagation, γ = α + jβ.
b. Determine the intrinsic impedance, η.
c. Determine the velocity oft he phase of the wave.
d. Determine the ”skin depth”.
e. Determine the value...

An electric charge on the z-axis oscillates sinusoidally about
the origin. A distant observer is located at a point on the +x
axis. At the observer's location, what are the directions of
a) The electric field oscillation
b) The magnetic field oscillation
c) The electromagnetic wave propagation?

When at rest, a proton experiences a net electromagnetic force
of magnitude 9.0×10?13 Npointing in the positive
x direction. When the proton moves with a speed of
1.4×106 m/s in the positive y direction, the
net electromagnetic force on it decreases in magnitude to
7.5×10?13 N , still pointing in the positive x
direction.
Part A:Find the magnitude of the electric field.
Part B: Find the direction of the electric field
Part C: Find the magnitude of the magnetic field....

A linearly-polarized sinusoidal electromagnetic wave propagates
in the –x direction. At a particular moment in time, the magnetic
field at point (–4, 0, 0) points in the –z direction. At that same
moment at (–4, 0, 0), what is the direction of the electric field?
Drawing a diagram should help. Group of answer choices –z direction
+z direction +y direction –y direction

A beam of protons is moving in the +x direction with a
speed of 13 km/s through a region in which the electric field is
perpendicular to the magnetic field. The beam of protons is not
deflected in this region. The magnetic field has a magnitude of 0.8
T and points in the +y direction. Therefore, the magnitude
of the electric field is 11.570 V/m (= (13 x 10³ m/s) (0.8T)) and
the direction is along the negative z-axis.
What...

At a certain instant in time, the electric field of an
electromagnetic wave in free space points in the -z
direction, and the magnetic field points in the +y
direction. In what direction is this wave traveling?
A) +x direction ___B) -x direction ___ C)
+y direction ___D) -z direction ___E) +z
direction ___
Please explain why you chose your answer

An electromagnetic wave from a wire antenna travels (from the
reader) toward the plane of the paper. At time t = 0.0 s it strikes
the paper at normal incidence. At point O and t = 0.0 s, the
magnetic field vector has its maximum value, 3.78×10-8 T, pointing
in the negative y-direction. The frequency of this wave is 1.03×106
Hz.
What is the x-component of the associated electric field E at
time t = 0.0 s? (Use the right-hand...

The magnetic field in a plane monochromatic electromagnetic wave
with wavelength λ = 684 nm, propagating in a vacuum in the
z-direction is described by
B⃗ =(B1sin(kz−ωt))(i^+j^)B→=(B1sin(kz−ωt))(i^+j^)
where B1 = 5.3 X 10-6 T, and
i-hat and j-hat are the unit vectors in the +x and +y directions,
respectively.
5)
Which of the following equations describes the spatial and time
dependence of the electric field oscillations?
6)
What is tmax, the first time after t = 0, when the
magnitude...

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