Post Utme Ui 2019 Physics Question 19

Practice objective / multiple choice question 19 from the 2019 Post Utme Ui Physics examination.

Post Utme Ui 2019 Physics Objective / Multiple Choice
Question 19 POST_UTME_UI • 2019 • PHYSICS • objective
Post Utme Ui 2019 Physics Question 19 diagram

A circuit consists of a resistor $R$, an inductor $L$, and a capacitor $C$ connected in series. If the frequency of the alternating current is $f$, which of the following expressions for the impedance $Z$ is correct?

Answer Options

Correct Answer A. Z = \sqrt{R^2 + \( \omega L - \frac{1}{\omega C} \)^2}
B. Z = \sqrt{R^2 + \( \omega L + \frac{1}{\omega C} \)^2}
C. Z = \sqrt{R^2 + \( \omega L - \frac{1}{\omega C} \)}
D. Z = \sqrt{R^2 + \( \omega L + \frac{1}{\omega C} \)}
Correct Answer
A
Correct Option:
Z = \sqrt{R^2 + \( \omega L - \frac{1}{\omega C} \)^2}

About This Question

This is Post Utme Ui 2019 Physics Question 19. It is one of the objective questions from the 2019 Post Utme Ui Physics examination.

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