Semiconductor Materials – 172

172. A substance has an electron concentration of 8 x 10⁶ per m³ and a hole concentration of 2 x 10¹² per m³. The substance is –

(a) An intrinsic semiconductor
(b) A n- type semiconductor
(c) A p- type semiconductor
(d) An insulator

Answer

Answer : (b)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Semiconductor Materials – 173
Semiconductor Materials » Exercise - 4173. When the conductivity of semiconductor is only due to the breaking of the covalent bands, the semiconductor is - (a) An intrinsic semiconductor (b) A p- type semiconductor (c) A n- type semiconductor (d) an extrinsic semiconductor
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Semiconductor Materials - 1
Semiconductor Materials » Exercise - 1 1. Graphite is a : (a) conductor (b) insulator (c) semiconductor (d) none of these
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Semiconductor Materials - 25
Semiconductor Materials » Exercise - 125. Graphite is a : (a) Conductor (b) Insulator (c) Semiconductor (d) None of these
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Semiconductor Materials - 126
Semiconductor Materials » Exercise - 3126. A pentavalent impurity has ........ valence electrons. (a) 3 (b) 5 (c) 4 (d) 6
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Semiconductor Materials - 128
Semiconductor Materials » Exercise - 3128. A trivalent impurity has ........ valence electrons. (a) 4 (b) 5 (c) 6 (d) 3
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