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JEE Main 2023 · 25 Jan · Shift 1

JEE Main 2023 Physics question on Current Electricity

A uniform metallic wire carries a current 2 A, when 3.4 V battery is connected across it. The mass of uniform metallic wire is 8.92×10−38.92 \times 10^{-3} kg, density is 8.92×1038.92 \times 10^{3} kg/m3^3 and resistivity is 1.7×10−81.7 \times 10^{-8} Ω\Omega-m. The length of wire is:
  1. A.
    l=6.8l = 6.8 m
  2. B.
    l=5l = 5 m
  3. C.
    l=100l = 100 m
  4. D.
    l=10l = 10 m
Show answer

Correct option: D

[JEE Main 2023 · 25 Jan · Shift 1]

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