What is the intensity of the wave?
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Question
D

Transcribed Image Text:An electromagnetic wave with frequency 65.0 Hz
travels in an insulating magnetic material that has
dielectric constant 3.64 and relative permeability 5.18
at this frequency. The electric field has amplitude
7.20 × 10-³ V/m.
Review | Constants
Part A
What is the speed of propagation of the wave?
v= 6.91x107 m/s
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Correct
Correct answer is shown. Your answer .68-108 = 6.8x107 m/s was either rounded differently or used a different number of
significant figures than required for this part.
Part B
What is the wavelength of the wave?
A 1.06×106 m
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Correct
Correct answer is shown. Your answer 1.05-106 = 1.05×106 m was either rounded differently or used a different number of
significant figures than required for this part.

Transcribed Image Text:Part C
What is the amplitude of the magnetic field?
Bo 1.04x10-10 T
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✓ Correct
Correct answer is shown. Your answer 10.6-10-¹1 = 1.06×10-10 T was either rounded differently or used a different
number of significant figures than required for this part.
Part D
What is the intensity of the wave?
VO ΑΣΦ
?
I =
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W/m²
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