3-27Take the square root:Example:A problem using this equation will illustrate how to determine the characteristics of a transmissionline. Assume that the line shown in figure 3-23 is 1000 feet long. A 100-foot (approximately 30.5 meter)section is measured to determine L and C. The section is found to have an inductance of 0.25 millihenriesand a capacitance of 1000 picofarads. Find the characteristic impedance of the line and the velocity of thewave on the line.If any other unit length had been considered, the values of L and C would be different, but their ratiowould remain the same as would the characteristic impedance.

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