Post Utme Bsu 2019 Physics Question 28

Practice objective / multiple choice question 28 from the 2019 Post Utme Bsu Physics examination.

Post Utme Bsu 2019 Physics Objective / Multiple Choice
Question 28 POST_UTME_BSU • 2019 • PHYSICS • objective

A current I flows through a wire of resis\tance R. If the wire is bent into a circular loop of radius r, what is the magnetic field B at the center of the loop?

Answer Options

A. \frac{\mu_0 I}{2r}
Correct Answer B. \frac{\mu_0 I}{r}
C. \frac{\mu_0 I}{4r}
D. \frac{\mu_0 I}{8r}
Correct Answer
B
Correct Option:
\frac{\mu_0 I}{r}

About This Question

This is Post Utme Bsu 2019 Physics Question 28. It is one of the objective questions from the 2019 Post Utme Bsu Physics examination.

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