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3. An antenna has a capacitive reactance of 20 22 and an inductive reactance of 20 22 at its resonant frequency. If the frequency is doubled, what are the new values for Xc and X₁ ?

3. An antenna has a capacitive reactance of 20 22 and an inductive reactance of 20 22 at its resonant frequency. If the frequency is doubled, what are the new values for Xc and X₁ ?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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3. An antenna has a capacitive reactance of 20 and an inductive reactance of 20 at its resonant frequency. If the frequency is doubled, what are the new values for X and X₁ ? 4. Given a series circuit with a source (Vš), source resistance (R), and load resistance (R₁), show that maximum power transfer occurs when R. = R₁. Start with the expression for current in the circuit, then with the expression for power dissipated in the load. (Hint: You will need to use calculus to solve). 5. What it is the approximate length of a dipole antenna that is resonant at 150 MHz?
Transcribed Image Text:3. An antenna has a capacitive reactance of 20 and an inductive reactance of 20 at its resonant frequency. If the frequency is doubled, what are the new values for X and X₁ ? 4. Given a series circuit with a source (Vš), source resistance (R), and load resistance (R₁), show that maximum power transfer occurs when R. = R₁. Start with the expression for current in the circuit, then with the expression for power dissipated in the load. (Hint: You will need to use calculus to solve). 5. What it is the approximate length of a dipole antenna that is resonant at 150 MHz?
Expert Solution
Step 1: Summarize the given details

Given:

Capacitive reactance, X subscript C equals 20 text  Ω end text

Inductive reactance, X subscript L equals 20 text  Ω end text

To find

Determine the new values of X subscript C and X subscript L when frequency is double.

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