Question
Which of the following is NOT a semiconductor?
The correct answer is
Wood
While damp wood can conduct electricity to some extent due to the presence of water and dissolved minerals, dry wood is a poor conductor. Wood, on the other hand, is primarily an insulator and does not possess the characteristic properties of semiconductors.
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Important Questions from Semiconductors
The conductivity of silicon is $\sigma$=10 ( $\Omega$ cm)$^{-1}$ Determine the drift current density J, if an electric field of E=15v/cm is applied.
- Which metal is used in the making of microchips?
- Which of the following is a n-type semiconductor?
Which of the following materials is not a semiconductor ?
(a) ZnO
(b) Carbon nanotube
(c) SiO2
(d) CopperWhich is correct ?
Semi conductors have
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