Find the value of
Answer to Problem 57P
The values of
Explanation of Solution
Calculation:
Refer to Figure given in the textbook.
Consider the general expression for input impedance.
Consider the general expression for input impedance.
Consider for
Consider the general expression for input admittance of line 1.
Substitute 100 for
Consider for
Find the value of electrical length.
Substitute
For a shorted line,
Find the value of input admittance of line 2.
Substitute 100 for
Consider for
Find the value of electrical length.
The input impedance for line 3 is,
The total admittance of line 1 and line 2 is,
Substitute
The input impedance is,
Substitute
The input admittance for line 3 is,
Substitute 100 for
Consider, if the shorted section were open,
Consider for
Consider for
For a shorted line,
Find the value of input admittance of line 2.
The input impedance of line 2 is,
Substitute
Substitute 100 for
Consider for
The input impedance for line 3 is,
The total admittance of line 1 and line 2 is,
Substitute
The input impedance is,
Substitute
The input admittance for line 3 is,
Substitute 100 for
Conclusion:
Thus, the values of
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Chapter 11 Solutions
Elements Of Electromagnetics
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