Post Utme Noun 2024 Physics Question 25

Practice objective / multiple choice question 25 from the 2024 Post Utme Noun Physics examination.

Post Utme Noun 2024 Physics Objective / Multiple Choice
Question 25 POST_UTME_NOUN • 2024 • PHYSICS • objective
Post Utme Noun 2024 Physics Question 25 diagram

A circuit consists of a resistor $R$ and an inductor $L$ connected in series. The circuit has a voltage source $V$ and a switch $S$. If the switch is closed at time $t=0$, what is the current in the circuit at time $t$?

Answer Options

Correct Answer A. \frac{V}{R}\( 1 - e^{-\frac{R}{L}t} \)
B. \frac{V}{R}\( 1 + e^{-\frac{R}{L}t} \)
C. \frac{V}{R}\( e^{-\frac{R}{L}t} \)
D. \frac{V}{R}\( e^{\frac{R}{L}t} \)
Correct Answer
A
Correct Option:
\frac{V}{R}\( 1 - e^{-\frac{R}{L}t} \)

About This Question

This is Post Utme Noun 2024 Physics Question 25. It is one of the objective questions from the 2024 Post Utme Noun Physics examination.

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