In an EM wave traveling west, the B field oscillates up and down vertically and has a frequency of 90.0 kHz and an rms strength of 7.85 x 10-⁹ T. Assume that the wave travels in free space.
In an EM wave traveling west, the B field oscillates up and down vertically and has a frequency of 90.0 kHz and an rms strength of 7.85 x 10-⁹ T. Assume that the wave travels in free space.
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Transcribed Image Text:In an EM wave traveling west, the B field oscillates
up and down vertically and has a frequency of
90.0 kHz and an rms strength of 7.85 x 10-⁹ T
Assume that the wave travels in free space.
What is the frequency of the electric field?
Express your answer to three significant figures and include the appropriate units.
f =
Value
Submit
μA
Erms=
Submit
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What is the rms strength of the electric field?
Express your answer to three significant figures and include the appropriate units.
μA
Units
Value
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Units
?
What is the direction of its oscillation?
?
O The electric field oscillates along the horizontal north-south line.
O The electric field oscillates vertically.
O The electric field oscillates along the horizontal west-east line.
O
None of the above.
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