Problem 7 (10%) For a rectangular waveguide that supports mode, explain why a narrow slot can be cut along the centerline of the broad wall of the rectangular waveguide without perturbing the propagation of the mode.

b.(10%) Write the electric intensities () for a point on the ZX-plane in terms of d and R, or d and r, as indicated in (b). P(x, y, z) (x0, d. 0) Grounded plane conductor (ImageCharge) (a) Physical arrangement. (b) Image charge and field lines. Figures (a) and (b) a single charge Q above a ground plane Problem 2 A air-filled coaxial with dimensions as shown in the following figure:

Problem 7 (10%) For a rectangular waveguide that supports mode, explain why a narrow slot can be cut along the centerline of the broad wall of the rectangular waveguide without perturbing the propagation of the mode.

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