(a) What cyclic frequency will produce a signal of wavelength a = 2.20 m? MHz (+1 MHz) (b) What will be the direction of the E-field where Nic Is standing? O A. parallel to the +x axis OB. parallel to the ±y axis OC. parallel to the ±z axis
(a) What cyclic frequency will produce a signal of wavelength a = 2.20 m? MHz (+1 MHz) (b) What will be the direction of the E-field where Nic Is standing? O A. parallel to the +x axis OB. parallel to the ±y axis OC. parallel to the ±z axis
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Transcribed Image Text:(c) What will be the direction of the B-field where Blake is standing?
O A. parallel to the +x axis
O B. parallel to the ±y axis
OC. parallel to the +z axis
REMINDER: Resubmissions are not allowed on multiple choice questions.
(d) At a certain instant, the E-field at Blake's position is directed along the
+x axis. At that same instant, the B-field at Kris' position will be
axis. Assume for this part that Blake and Kris
directed along the
are standing at equal distances from the origin.
O A. +x
O B. -x
OC. +y
O D. -y
O E. +z
OF. -z
REMINDER: Resubmissions are not allowed on multiple choice questions.
(e) If the maximum E-field experienced by Kris is E = 65.5 V/m, the
average radiation intensity that Kris experiences will be
J/s/m2 (+ 0.1 J/s/m²)
(f) Jason stands a distance of 20.0 meters away from the transmitter, which
we assume to transmit energy isotropically. Incredibly, the B-field at
Jason's position has an rms magnitude of B = 6.0 µT. What is the
average power transmitted by the transmitter.
MW (±0.5 MW)
(g) Jason, still at a distance of 20.0 meters, is holding a square plate of radio-
reflective material, that measures 1.5 meters on each side. The total
force exerted by the radiation on his plate will be
µN (± 2 µN)
PLEASE answer all parts a-g! thank you!
Transcribed Image Text:41-2 TA's Nic, Kris, Blake, and Jason decide to build a radio transmitter to
14 pts communicate with extra-terrestrials. Wanting their transmission to reach far
out into the galaxy, they decide to transmit an electromagnetic wave signal
by driving an AC current in a conducting loop which lies in the xy plane, as
shown. The TAS stand at the positions shown to measure the E and B fields
produced by the transmitter. Despite the appearance in the figure, their
distances from the transmitter could all be different.
Kris
సంson
Blake
Nic
X
(a) What cyclic frequency will produce a signal of wavelength a = 2.20 m?
MHz (+1 MHz)
(b) What will be the direction of the E-field where Nic is standing?
O A. parallel to the +x axis
O B. parallel to the ±y axis
OC. parallel to the ±z axis
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