The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 52.0 m and the electric field vibrates in the xy plane with an amplitude of 20.0 V/m. (a) Calculate the frequency of the wave. MHz (b) Calculate the magnetic field Bwhen the electric field has its maximum value in the negative y direction. magnitude nT direction +y (c) Write an expression for Bwith the correct unit vector, with numerical values for Bmay, k, and w, and with its magnitude in the form B = Bmax cos (kx – ot). (Assume B is measured in nT, x is measured in m and t in s.) B = - Cos X- nT
The figure below shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 52.0 m and the electric field vibrates in the xy plane with an amplitude of 20.0 V/m. (a) Calculate the frequency of the wave. MHz (b) Calculate the magnetic field Bwhen the electric field has its maximum value in the negative y direction. magnitude nT direction +y (c) Write an expression for Bwith the correct unit vector, with numerical values for Bmay, k, and w, and with its magnitude in the form B = Bmax cos (kx – ot). (Assume B is measured in nT, x is measured in m and t in s.) B = - Cos X- nT
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