Question
Asked Dec 24, 2019
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A coaxial cable with inner diameter of 1 mm and outer diameter of 2.4 mm is filled with a dielectric with relative permittivity of 10.89. What will be the characteristic impedance of the cable?

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Expert Answer

Step 1

The inductance per unit length of the cable is given by,

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Ho L= º In|

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Step 2

The capacitance per unit length of the cable is given by,

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2πε,6 C= In α

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Step 3

The characteristic impedance of t...

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Z. 9. HIn 2πε,6, 9. In Ho - In a )V 8,E, 2л

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