Semiconductor Materials – 56

56. A P-type germanium semiconductor is doped with :

(a) Gallium
(b) Gold
(c) Silver
(d) Silicon

Answer

Answer : (a)

Explanation

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

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Semiconductor Materials – 155
Semiconductor Materials » Exercise - 4155. N-type semiconductor is obtained when silicon or germanium is doped by : (a) Phosphorus (b) Boron (c) Aluminium (d) Gallium
Tags: semiconductor, materials, exercise, silicon, germanium, doped, gallium, electronics, engineering
Semiconductor Materials - 25
Semiconductor Materials » Exercise - 125. Graphite is a : (a) Conductor (b) Insulator (c) Semiconductor (d) None of these
Tags: semiconductor, materials, exercise, electronics, engineering
Semiconductor Materials – 163
Semiconductor Materials » Exercise - 4163. A piece of silicon or germanium at 0˚C is : (a) An insulator (b) A semiconductor (c) A conductor (d) A superconductor
Tags: semiconductor, materials, exercise, silicon, germanium, electronics, engineering
Semiconductor Materials - 137
Semiconductor Materials » Exercise - 3137. The barrier voltage at a pn junction for germanium is about ........ (a) 3.5 V (b) 3 V (c) zero (d) 0.3 V
Tags: semiconductor, materials, exercise, germanium, electronics, engineering
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
Tags: semiconductor, materials, electronics, engineering

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