Post Utme Unilag 2020 Physics Question 9

Practice objective / multiple choice question 9 from the 2020 Post Utme Unilag Physics examination.

Post Utme Unilag 2020 Physics Objective / Multiple Choice

Question 9 POST_UTME_UNILAG • 2020 • PHYSICS • objective

A circuit consists of a resistor $R$ and an inductor $L$ connected in series. The circuit is driven by a voltage source $V$ with a frequency $f$. What is the impedance of the circuit?

Correct Answer A. \sqrt{R^2 + $ 2\pi fL $^2}

B. \sqrt{$ 2\pi fL $^2 - R^2}

C. \frac{R}{\sqrt{1 + $ 2\pi fL $^2}}

D. \frac{$ 2\pi fL $^2}{R}

Correct Answer

Correct Option:

\sqrt{R^2 + $ 2\pi fL $^2}

This is Post Utme Unilag 2020 Physics Question 9. It is one of the objective questions from the 2020 Post Utme Unilag Physics examination.

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