Post Utme Oau 2018 Physics Question 5

Practice objective / multiple choice question 5 from the 2018 Post Utme Oau Physics examination.

Post Utme Oau 2018 Physics Objective / Multiple Choice
Question 5 POST_UTME_OAU • 2018 • PHYSICS • objective
Post Utme Oau 2018 Physics Question 5 diagram

A magnetic field is produced by a current-carrying wire. If the current is $I$ and the dis\tance from the wire is $r$, find the magnetic field strength $B$.

Answer Options

Correct Answer A. \frac{\mu_0I}{2\pi r}
B. \frac{2\pi r}{\mu_0I}
C. \frac{\mu_0I}{r}
D. \frac{r}{\mu_0I}
Correct Answer
A
Correct Option:
\frac{\mu_0I}{2\pi r}

About This Question

This is Post Utme Oau 2018 Physics Question 5. It is one of the objective questions from the 2018 Post Utme Oau Physics examination.

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