The intensity of magnetic fields at a distance $d$ from an isolated pole of $m$ units in the air is

m d^{2}

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m / d

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m d

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m / d^{2}

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Solution

The correct option is C $m / d^{2}$
Since $B \propto 1 / d^{2}$
therefore, $B = m / d^{2}$

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The intensity of magnetic fields at a distance d from an isolated pole of m units in the air is

The correct option is C m/d2Since B∝1/d2 therefore, B=m/d2

The intensity of magnetic fields at a distance $d$ from an isolated pole of $m$ units in the air is

The correct option is C $m / d^{2}$
Since $B \propto 1 / d^{2}$
therefore, $B = m / d^{2}$