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EAMCET Engineering 2001 Solved Paper

Section: Physics

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Question : 1

Total: 200

A nichrome wire 50‌cm long and 1mm2 cross-section carries a current of 4A. When connected to 2 volt battery. The resistivity of nichrome wire in Ω−m is

1×10−6
4×10−7
3×10−7
2×10−7

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