Class 12 NEET Physics Current Electricity Questions Part 2

Question : 22 of 48

Marks: +1, -0

A copper wire of length 10m and radius (‌

10−2

√π

)m has electrical resistance of 10Ω. The current density in the wire for an electric field strength of 10(V∕m) is

[NEET-2022]

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