For germanium the forbidden energy gap is?

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0.7 Is the forbidden energy gap of germanium
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For germanium the forbidden gap is (A) 0.15ev. (B) 0.25ev. (C) 0.5ev. (D) 0.7ev.

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Last Answer : (D) 0.7ev.

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In the tunnel diode, the tunneling current is at what level when the forbidden gap of the N-type material is at the same energy level as the empty states of the P-type material?

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In a conductor (1) there is no conduction band (2) the forbidden energy gap is very wide (3) the forbidden energy gap is very narrow (4) the valence band and the conduction band overlap each other

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For silicon the forbidden gap is (A) 1.1ev. (B) 0.25ev. (C) 0.5ev. (D) 0.7ev.

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Tunnel diode is a: a) Power diode b) Has light doping c) Has heavy doping d) Is a reverse recovery diode Ans: C 76.LEDs are fabricated from: a) Silicon b) Germanium c) Si or Ge d) Gallium arsenide

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When Arsenic atoms are added Germanium lattice, it becomes a/an - (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

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Which one of the following is an ohmic conductor? (1) Germanium (2) Silicon (3) Carbon (4) Silver

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Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

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The illustrated circuit is a _____________. EL-0024 A. megohm meter B. Gauss meter C. wheatstone bridge D. germanium diode tester

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High vacuum diodes, gas-filled diodes, and germanium semiconductor diodes may all be used as _____________. A. potentiometers B. rectifiers C. power sources D. photocells

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What kind of battery panels are used in some advance satellites? A. Gallium Arsenide solar panel B. Germanium based panels C. Silicon based panels D. Gallium Phosphate solar panel

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why silicon type transistor are more often used than germanium?

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Why cannot thousands of compounds of Boron or silicon or germanium not possible?

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Give reason: Silicon is used widely even through Germanium is a better semiconductor material.

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Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature (D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

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When a sample of germanium and silicon having same impurity density are kept at room temperature then Resistivity of silicon will be higher than that of germanium, Why?

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What is the name given to a doped germanium crystal with an excess of free holes?

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The potential barrier for germanium is _______ (a) 0.6 V (b) 0.2 V (c) 0.3 V (d) 0.5 V

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In order to obtain p-type germanium it should be doped with a (A) Trivalent impurity. (B) Tetravalent impurity. (C) Pentavalent impurity. (D) Any of the above will do.

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Germanium possesses (A) one valence electrons. (B) two valence electrons. (C) three valence electrons. (D) four valence electrons.

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Mendeleev proposed the existence of an unknown element that he called eka-aluminum. The element is now called: w) magnesium x) silicon y) gallium z) germanium

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When Arsenic atoms are added to Germanium lattice, it becomes a/an (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

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Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

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An example of semiconductor is (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

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Which one of the following is an ohmic conductor? (1) Germanium (2) Silicon (3) Carbon (4) Silver

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Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

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Which of the following elements are used as dopants in silicon or germanium semiconductors?

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I keep getting "Forbidden Error" when messaging or trying to edit, how come?

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