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When a steady current flows through a me...

When a steady current flows through a metal conductor of non-uniform cross-section , then drift velocity is

A

Independent of area of cross-section

B

Directly proportional to the area of cross-section

C

Inversely proportional to the area of cross-section

D

Inversely proportional to the square of area of cross-section.

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Knowledge Check

  • A : When a steady current flows through a conductor of non - uniform cross-section , the current density , electric field and drift velcoity do not remain constant. R : For a constant current the current density electric field and drift velocity are inversely proportional to cross - sectional area.

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  • Which of the following is constant when a steady current flows through a metallic conductor of non-uniform cross-section:

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    current
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    current density
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    Resistivity
  • A steady current flows in a metallic conductor of non-uniform cross-section. The quantity(s) remaining constant along the length of conductor is/are

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