A current of $2 A$ is flowing through a circular coil of radius $1 m$ .

Find the magnitude of magnetic field at the center of the circular coil.

$[$ 1 Mark $]$

\frac{μ_{0}}{2}

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2 μ_{0}

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μ_{0}

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\frac{μ_{0}}{2 π}

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Solution

The correct option is C $μ_{0}$
The magnitude of magnetic field at the center of a circular current carrying coil is given by,

$B = \frac{μ_{0} i}{2 r} = \frac{μ_{0} \times 2}{2 \times 1}$

$\Rightarrow B = μ_{0} T$

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A current of 2 A is flowing through a circular coil of radius 1 m. Find the magnitude of magnetic field at the center of the circular coil. ​​​​​​​[1 Mark]

The correct option is C μ0The magnitude of magnetic field at the center of a circular current carrying coil is given by, B=μ0i2r=μ0×22×1 ⇒B=μ0 T

A current of $2 A$ is flowing through a circular coil of radius $1 m$ .

Find the magnitude of magnetic field at the center of the circular coil.

$[$ 1 Mark $]$

The correct option is C $μ_{0}$
The magnitude of magnetic field at the center of a circular current carrying coil is given by,

$B = \frac{μ_{0} i}{2 r} = \frac{μ_{0} \times 2}{2 \times 1}$

$\Rightarrow B = μ_{0} T$