Post Utme Eksu 2017 Physics Question 39

Practice objective / multiple choice question 39 from the 2017 Post Utme Eksu Physics examination.

Post Utme Eksu 2017 Physics Objective / Multiple Choice
Question 39 POST_UTME_EKSU • 2017 • PHYSICS • objective

A particle of mass $m$ and charge $q$ is moving in a circular path of radius $r$ in a uniform magnetic field of strength $B$. If the particle's speed is $v$, what is the magnitude of the magnetic field?

Answer Options

Correct Answer A. \frac{mv}{qr}
B. \frac{qr}{mv}
C. \frac{mv^2}{qr}
D. \frac{qr^2}{mv}
Correct Answer
A
Correct Option:
\frac{mv}{qr}

About This Question

This is Post Utme Eksu 2017 Physics Question 39. It is one of the objective questions from the 2017 Post Utme Eksu Physics examination.

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