Question: a) Write down the Maxwell field equations and explain briefly the experimental evidence on which each is based. [2 marks] b) In free space, the

a) Write down the Maxwell field equations and explain briefly the experimental evidence on which each is based. [2 marks] b) In free space, the Maxwell equations give: (0-0 ) - 0 = where is any of the six E and B field components. i. Show that a plane electromagnetic wave with an electric field component E = Eo expi(wt - kx) I ii. iii. iv. satisfies this equation. [2 marks] Calculate the associated B field. [2 marks] Is the wave transverse or longitudinal? Explain. [2 Marks] Derive an expression for the speed of the wave. [2 marks]

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