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

An example of semiconductor is - (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic
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(2) Germanium Explanation: Purified germanium is a semiconductor, with appearance most similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Unlike silicon, it is too reactive to be found naturally on Earth in the free (native) state.
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An example of semiconductor is (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

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

Last Answer : Germanium

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

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

Last Answer : (4) Extrinsic semiconductor Explanation: When a peritavalent (donor) impurity, like arsenic, is added to germanium, it will form covalent bonds with thegermanium atoms, leaving 1 electron relatively ... this manner - either with Nor P-type impurities - are referred to as EXTRINSIC semiconductors.

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

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

Last Answer : Extrinsic semiconductor

What is the type of bond by germanium and arsenic?

Description : What is the type of bond by germanium and arsenic?

Last Answer : Feel Free to Answer

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

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

Last Answer : Answer: B

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

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

Last Answer : Silicon is the second most abundantly available material and it can be used at higher temperature. Hence it widely used than Germanium.

Semiconductor germanium and silicon are (a) Pentavalent (b) trivalent (c) divalent (d) tetravalent

Description : Semiconductor germanium and silicon are (a) Pentavalent (b) trivalent (c) divalent (d) tetravalent

Last Answer : (d) tetravalent

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

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

Last Answer : (4) Silver Explanation: Ohmic conductors are conductors that obey Ohm's law, that is Voltage/Current ratio is constant; in other words, the equation Resistance = Voltage/Current is obeyed. ... s resistance does not change with varying current. Metallic conductors such as silver are Ohmic conductors.

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

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

Last Answer : Silver

Which one of the following does not contain Silver? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Description : Which one of the following does not contain Silver? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Last Answer : (3) German Silver Explanation: Nickel silver, also known as German silver, is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

An alloy used in making heating elements for electric heating device is - (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Description : An alloy used in making heating elements for electric heating device is - (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Last Answer : (3) Nichrome Explanation: Nichrome is a mixture of chromium and nickel. Nichrome wire is a great conductor of electricity. Nichrome is used to make heating coils and other types of elements in household appliances.

Which one of the following does not contain silver? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Description : Which one of the following does not contain silver? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Last Answer : (3) German silver

German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Description : German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : (2) Copper, zinc, nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Description : German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Last Answer : (3) zinc, copper and nickel Explanation: German silver is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc.

German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Description : German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Last Answer : (3) zinc, copper and nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... . Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Description : Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Last Answer : (3) Silver Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often zinc. The ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

German silver, an alloy, does not contain the metal – (1) Nickel (2) Zinc (3) Copper (4) Silver

Description : German silver, an alloy, does not contain the metal – (1) Nickel (2) Zinc (3) Copper (4) Silver

Last Answer : (4) Silver Explanation: Nickel silver is a copper alloy with nickel and oft6n. zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver is named for its silvery ... under ASTM B 122) contain significant amounts of zinc, and are sometimes considered a subset of brass.

Which one of the following does not contain silver ? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Description : Which one of the following does not contain silver ? (1) Horn silver (2) Ruby silver (3) German silver (4) Lunar caustic

Last Answer : German silver

An alloy used in making heating elements for electric heating device is (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Description : An alloy used in making heating elements for electric heating device is (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Last Answer : Nichrome

Which one of the following does not contain Silver ? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Description : Which one of the following does not contain Silver ? (1) Ruby Silver (2) Lunar Caustic (3) German Silver (4) Horn Silver

Last Answer :  German Silver

German silver, an alloy, does not contain the metal (1) Nickel (2) Zinc (3) Copper (4) Silver

Description : German silver, an alloy, does not contain the metal (1) Nickel (2) Zinc (3) Copper (4) Silver

Last Answer : Silver

Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Description : Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Last Answer : Silver

German silver used for making utensils is an alloy of (1) copper, silver, nickel (2) copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Description : German silver used for making utensils is an alloy of (1) copper, silver, nickel (2) copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : copper, zinc, nickel

German silver is an alloy of (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Description : German silver is an alloy of (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Last Answer : zinc, copper and nickel

Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium

Description : Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium

Last Answer : c) Silicon

Germanium is an example of ____________. a) metal b)metalloid c)non-metal d)none

Description : Germanium is an example of ____________. a) metal b)metalloid c)non-metal d)none

Last Answer : b)metalloid

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

Description : 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

Last Answer : (1) Silicon and Germanium Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Semiconductor material (date first used): the metalloids ... -germanium (1989), the allotrope of carbon graphene (research ongoing since 2004), etc.

Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Description : Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Last Answer : (2) Gallium

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

Description : 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

Last Answer : ANSWER: C -- GALLIUM

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

Description : 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

Last Answer : Silicon and Germanium

The substance that DOES NOT contain silver is (a) German silver (b) horn silver (c) ruby silver (d) lunar caustic

Description : The substance that DOES NOT contain silver is (a) German silver (b) horn silver (c) ruby silver (d) lunar caustic

Last Answer : Ans:(a)

Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II

Description : Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II

Last Answer : Ans:(b)

German Silver is an alloy of – (1) Copper, Silver and Zinc (2) Copper, Nickel and Zinc (3) Mid-brain (4) Fore-brain

Description : German Silver is an alloy of – (1) Copper, Silver and Zinc (2) Copper, Nickel and Zinc (3) Mid-brain (4) Fore-brain

Last Answer : (2) Copper, Nickel and Zinc Explanation: German Silver (also known as New Silver, Nickel Brass, etc) is a copper alloy with nickel and often zinc.

Which of the following is not contained by the German Silver?

Description : Which of the following is not contained by the German Silver?

Last Answer : Silver

German Silver contains following Metals –

Description : German Silver contains following Metals –

Last Answer : Copper, Zinc, Nickel

Which of the following is not a copper based alloy with nickel? (A) German silver (B) Monel metal (C) Inconel (D) Constantan

Description : Which of the following is not a copper based alloy with nickel? (A) German silver (B) Monel metal (C) Inconel (D) Constantan

Last Answer : (C) Inconel

Nickel and copper are the basic constituents of (A) Hastelloy (B) Monel metal (C) German silver (D) Inconel

Description : Nickel and copper are the basic constituents of (A) Hastelloy (B) Monel metal (C) German silver (D) Inconel

Last Answer : (B) Monel meta

Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Description : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility

German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Description : German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Last Answer : (B) Copper

Percentage of silver in German silver is(A) 5(B) 10(C) 20(D) 0

Description : Percentage of silver in German silver is (A) 5 (B) 10 (C) 20 (D) 0

Last Answer : (D) 0

Which of the following is not an alloy of tin? (A) White-bearing metal (B) Pewter type metal (C) Soft solder (D) German silver

Description : Which of the following is not an alloy of tin? (A) White-bearing metal (B) Pewter type metal (C) Soft solder (D) German silver

Last Answer : (D) German silver

German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Description : German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Last Answer : (A) Copper, nickel and zinc

Which of the following is a light alloy? (A) Monel metal (B) Dow metal (C) German silver (D) Babbitt meta

Description : Which of the following is a light alloy? (A) Monel metal (B) Dow metal (C) German silver (D) Babbitt meta

Last Answer : (B) Dow metal

An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called(A) Constantan(B) Kanthal(C) Chromel(D) German silver

Description : An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called (A) Constantan (B) Kanthal (C) Chromel (D) German silver

Last Answer : (A) Constantan

The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Description : The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Last Answer : (B) Tungsten

Nickel and molybdenum are the basic constituents of (A) Hastelloy (B) German silver (C) Inconel (D) Solder

Description : Nickel and molybdenum are the basic constituents of (A) Hastelloy (B) German silver (C) Inconel (D) Solder

Last Answer : (A) Hastelloy

Which of the following is not an alloy of copper? (A) Muntz metal(B) Admiralty gun metal(C) German silver(D) Pewter metal

Description : Which of the following is not an alloy of copper? (A) Muntz metal (B) Admiralty gun metal (C) German silver (D) Pewter metal

Last Answer : (D) Pewter metal

German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) LeadGerman silver is an alloy of copper, nickel and(A) Zinc(B) Silver(C) Tin(D) Lead

Description : German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) Lead

Last Answer : (A) Zinc

German Silver is an alloy of------? A. Zn + Ni B. Cu + Zn C. Cu + Ni (Answer) D. Cu + Sn E. None of these

Description : German Silver is an alloy of------? A. Zn + Ni B. Cu + Zn C. Cu + Ni (Answer) D. Cu + Sn E. None of these

Last Answer : C. Cu + Ni (Answer)

Fluorescent dyes are added in detergents to (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics (B) Attain distinctiveness from other brands (C) Act as tarnish inhibitor for metals like German silver (D) None of these

Description : Fluorescent dyes are added in detergents to (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics (B) Attain distinctiveness ... brands (C) Act as tarnish inhibitor for metals like German silver (D) None of these

Last Answer : (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics