Looking for the correct equations/steps to use. Don\'thave to get the final answ

Question

Looking for the correct equations/steps to use. Don'thave to get the final answer. The magnetic field intensity in free space is H=25cos(z+40,000t)ay A/m Find: a) Phase Constant b) The wavelength c) The velocity of propagation d) The corresponding E field Looking for the correct equations/steps to use. Don'thave to get the final answer. The magnetic field intensity in free space is H=25cos(z+40,000t)ay A/m Find: a) Phase Constant b) The wavelength c) The velocity of propagation d) The corresponding E field

Explanation / Answer

compare give n eq with h= h0  cos(wt-z) 1) phase constant= 2)wavelength w=40000 2f=40000 f=6366.2 =(3*108)/f=4.7*10 4 m 3)velocity : v=f=3*108   m/sec 4)electric field E/H=(/)=120 E=120*25=3000 E=3000cos(z+40000t)ax (Because both shouldbe perpendicular)

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