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Current, current density and drift velocity
Concepts tested here
- Current in a non-uniform conductor
All Questions
2015 AIPMT-I 1 question
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Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which remains constant along the conductor isCurrent density, drift velocity and electric field all depend on the area of cross-section of the conductor.
Only the current remains the same at every cross-section of a conductor of non-uniform area.