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A 50 ohms air-filled slotted transmission line is terminated with an unknown load. A first minimum...

A 50 ohms air-filled slotted transmission line is terminated with an unknown load. A first minimum reading of 0.75 V occurs at 0.5 cm from the load and the second one at 22.5 cm from the load. The reading for a local maximum is 1.65 V. What is the load impedance?

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