Post Utme Noun 2022 Physics Question 23

Practice objective / multiple choice question 23 from the 2022 Post Utme Noun Physics examination.

Post Utme Noun 2022 Physics Objective / Multiple Choice
Question 23 POST_UTME_NOUN • 2022 • PHYSICS • objective
Post Utme Noun 2022 Physics Question 23 diagram

A magnetic field is described by the equation $B(x) = B_0 left\( 1 - \frac{x^2}{L^2}\right \)$, where $B_0$ is the maximum magnetic field and $L$ is the length of the region. What is the magnetic flux through a circular loop of radius $r$ centered at the origin?

Answer Options

A. πB_0r^2
Correct Answer B. πB_0r^2\left\( 1 - \frac{r^2}{L^2}\right \)
C. πB_0r^2\left\( 1 + \frac{r^2}{L^2}\right \)
D. πB_0r^2\left\( 1 - \frac{r^2}{L^2}\right \)^2
Correct Answer
B
Correct Option:
πB_0r^2\left\( 1 - \frac{r^2}{L^2}\right \)

About This Question

This is Post Utme Noun 2022 Physics Question 23. It is one of the objective questions from the 2022 Post Utme Noun Physics examination.

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