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JEE Main 2015 Physics question

PhysicsCurrent ElectricityJEE Main 2015

When 5 V potential difference is applied across a wire of length 0.1 m, the drift speed of electrons is m . If the electron density in the wire is , the resistivity of the material is close to:

Answer: (1)

Solution

The field is V/m and the current density is nev_d$ =

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Question ID VK-115152