A closed circuit in the form of a regula

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Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

A closed circuit in the form of a regular hexagon of side a carries a current I. What is the magnetic field at the centre of the hexagon?

Options:

$\frac{\sqrt{3}μ_0I}{2πa}$

$\frac{2\sqrt{3}μ_0I}{πa}$

$\frac{\sqrt{3}μ_0I}{πa}$

Correct Answer:

$\frac{\sqrt{3}μ_0I}{πa}$

Explanation:

The correct answer is Option (4) → $\frac{\sqrt{3}μ_0I}{πa}$ $n^{2}$