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A metallic conductor can be thought of as a series arrangement of multiple conductors, where the current remains constant throughout the series.

1. Resistance R = ρℓ/A = 4Ω
2. R₂ = n²R₁
3. R₂ = nR₁
4. No option is correct

Correct answer: No option is correct

Solution

The question is unclear and lacks sufficient context to determine the correct relationship or calculation. None of the given options can be definitively chosen based on the provided information.

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