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Problem # 2 (30 points): The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 100.0 m and the magnetic field vibrates in the xz-plane with an amplitude of 100.0 nT. (a) Calculate the frequency of the wave. (b) Identify what kind of electromagnetic radiation is this? (c) Calculate the electric field E? when the magnetic field has its maximum value in the negative z direction. (d) Write an expression for E?(y,t) with the correct unit vector, with numerical values for Emax, k, and ?, and with its magnitude in the form: E?(y,t) = E?max cos(kx - ?t) (e) What is the intensity of the wave? (f) What is the average power of this wave on a 1-meter square area?

          Problem # 2 (30 points): The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 100.0 m and the magnetic field vibrates in the xz-plane with an amplitude of 100.0 nT.

(a) Calculate the frequency of the wave.
(b) Identify what kind of electromagnetic radiation is this?
(c) Calculate the electric field E? when the magnetic field has its maximum value in the negative z direction.
(d) Write an expression for E?(y,t) with the correct unit vector, with numerical values for Emax, k, and ?, and with its magnitude in the form:

E?(y,t) = E?max cos(kx - ?t)

(e) What is the intensity of the wave?
(f) What is the average power of this wave on a 1-meter square area?

Problem # 2 (30 points): The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 100.0 m and the magnetic field vibrates in the xz-plane with an amplitude of 100.0 nT.

(a) Calculate the frequency of the wave.
(b) Identify what kind of electromagnetic radiation is this?
(c) Calculate the electric field E? when the magnetic field has its maximum value in the negative z direction.
(d) Write an expression for E?(y,t) with the correct unit vector, with numerical values for Emax, k, and ?, and with its magnitude in the form:

E?(y,t) = E?max cos(kx - ?t)

(e) What is the intensity of the wave?
(f) What is the average power of this wave on a 1-meter square area?

Added by Andrew N.

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