- Derive the continuity equation for conduction electrons.
(Set-4–June 2005), (Set-2–May 2004)
- 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)
- Explain Hall effect. Show that for a n-type semiconductor the Hall coefficient .
(Set-1–May 2004), (Set-2–May 2003)
- Explain the effect of temperature and dopent on the Fermi level in a semiconductor.
- Describe the drift and diffusion currents in a semiconductor. Derive their expressions and deduce Einstein’s relation.
(Set-1–May 2006), (Set-4–Nov. ...