A uniform wire of resistance 100 Ω is melted and recast into wire of length double that of the
A uniform wire of resistance 100 Ω is melted and recast into wire of length double that of the original. The resistance of the new wire is ……………………..
A) 400 Ω
B) 200 Ω
C) 100 Ω
D) 300 Ω
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