Post Utme Christopher University 2020 Physics Question 40

Practice objective / multiple choice question 40 from the 2020 Post Utme Christopher University Physics examination.

Post Utme Christopher University 2020 Physics Objective / Multiple Choice
Question 40 POST_UTME_CHRISTOPHER_UNIVERSITY • 2020 • PHYSICS • objective

A magnetic field is produced by a current-carrying wire. What is the direction of the magnetic field at a point on the axis of the wire?

Answer Options

Correct Answer A. \frac{\mu_0 I}{2 \pi r} \hat{z}
B. \frac{\mu_0 I}{2 \pi r} \hat{z}
C. \frac{\mu_0 I}{2 \pi r} \hat{z}
D. \frac{\mu_0 I}{2 \pi r} \hat{z}
Correct Answer
A
Correct Option:
\frac{\mu_0 I}{2 \pi r} \hat{z}

About This Question

This is Post Utme Christopher University 2020 Physics Question 40. It is one of the objective questions from the 2020 Post Utme Christopher University Physics examination.

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