A uniform wire of diameter d carries a current of \(100\mathrm{mA}\) when the mean drift velocity of electrons in the wire is \(v\). For a wire of diameter \(\frac{d}{2}\) of the same material to carry a current of \(200\mathrm{mA}\), the mean drift velocity of electrons in the wire is:

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A uniform wire of diameter d carries a current of \(100\mathrm{mA}\) when the mean drift velocity of electrons in the wire is \(v\). For a wire of diameter \(\frac{d}{2}\) of the same material to carry a current of \(200\mathrm{mA}\), the mean drift velocity of electrons in the wire is:

[Re-NEET 2024]

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