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Engineering Physics by S. Mani Naidu

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Review Questions

  1. Derive the continuity equation for conduction electrons.

     

    (Set-4–June 2005), (Set-2–May 2004)

  2. Derive an expression for the density of holes in the valence band of an intrinsic semiconductor.

     

    (Set-1–Sept. 2008), (Set-1–Sept. 2007), (Set-2–Sept. 2006), (Set-1–May 2003)

  3. Explain Hall effect. Show that for a n-type semiconductor the Hall coefficient images.

     

    (Set-1–May 2004), (Set-2–May 2003)

  4. Explain the effect of temperature and dopent on the Fermi level in a semiconductor.

     

    (Set-2–May 2003)

  5. Describe the drift and diffusion currents in a semiconductor. Derive their expressions and deduce Einstein’s relation.

     

    (Set-1–May 2006), (Set-4–Nov. ...

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