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Three graphs are plotted below, with d marking from lambda to 0 on the horizontal axis in decrements of lambda over 4.

The first graph for normalized voltage plots V-tilde sub o c of d over 2 V sub 0 plus on the vertical axis. A sinusoidal wave is plotted with peak values touching negative 1 and 1 at d equals 3 lambda over 4 and lambda over 4.

The second graph for normalized current plots I-tilde sub o c of d times Z sub 0 over 2 j V sub 0 plus on the vertical axis. A sinusoidal wave is plotted with peak values touching negative 1 and 1 at d equals lambda and lambda over 2.

The third graph for normalized impedance plots Z sub in sup o c over j Z sub 0 on the vertical axis. The graph plots downward sloping lines which pass through the horizontal axis at lambda, lambda over 2, and origin. For each curve, an inductor is depicted above the horizontal axis, and a capacitor shown below the horizontal axis.