Concept explainers
The conductors of a coaxial transmission line are copper
(a)
The radius of the inner conductor so that
Answer to Problem 13.1P
The radius of the inner conductor so that
Explanation of Solution
Given:
Conductivity of copper of a coaxial transmission line
The dielectric is polyethylene:.
Characteristics impedance is
Calculation:
The characteristic impedance of the transmission line is given as:.
Where,
Thus,
Taking antilog on both sides, we get:.
Conclusion:
Thus, the radius of the inner conductor so that
(b)
The radius of the inner conductor so that
Answer to Problem 13.1P
The radius of the inner conductor so that
Explanation of Solution
Given:
Conductivity of copper of a coaxial transmission line
The dielectric is polyethylene:.
Capacitance is
Calculation:
The capacitance of the transmission line is given as:.
Where,
Thus,
Taking antilog on both sides, we get:.
Conclusion:
Thus, the radius of the inner conductor so that
(c)
The radius of the inner conductor so that
Answer to Problem 13.1P
The radius of the inner conductor so that
Explanation of Solution
Given:
Conductivity of copper of a coaxial transmission line
The dielectric is polyethylene:.
Inductance is
Calculation:
The inductance of the transmission line is given as:.
Where,
Thus,
Taking antilog on both sides we get,
Conclusion:
Thus, the radius of the inner conductor so that
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Chapter 13 Solutions
Engineering Electromagnetics
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