Post Utme Aaua 2022 Physics Question 24
Practice objective / multiple choice question 24 from the 2022 Post Utme Aaua Physics examination.
A magnetic field is produced by a current-carrying wire. The magnetic field strength is given by B = \frac{\mu_0 I}{2\pi r}. If the current is 2 A, the dis\tance from the wire is 0.1 m, and the permeability of free space is 4\pi x 10^-7 H/m, what is the magnetic field strength?
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This is Post Utme Aaua 2022 Physics Question 24. It is one of the objective questions from the 2022 Post Utme Aaua Physics examination.
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