what are semi-conductors ? give examples.

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Q: Discuss the conductivity of copper and zinc metals by drawing figures according to molecular orbital…

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Q: Would any of these conduct electricity in the solid form? Explain

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A: a. We have 1021ZW= 1W ,so 6917.82 ZW = 6.917× 10-18W. Also we have Power ,P= Energy(E)/time (t), So…

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A: Given: We have to describe the difference between electrolytic and metallic material.

Q: The minority carriers in p-type semiconductors are

A: Doping is the process by which conductivity of a semi conductor increases. When an element of group…

Q: Is Cupric acetate a metal? why or why not?

A:

Q: Describe the role of impurities such as sulphur and phosphorous on the properties of grey cast iron.…

A: Cast iron is a ferrous metal and iron- carbon alloy having iron as main component. There are many…

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A:

Q: 11.Which of the following is the least effective conductor? O 1. Purified water O 2. Tap water O 3.…

A: Answer  Pure water is not good conductor of electricity

Q: 1. Write a short description about the physical and chemical properties of a copper at standard…

A:

Q: How do the conductivity of electrolyte solutions and metals change with temperature?

A: The dependence of temperature of electrolytic solution and metals is discussed below:

Q: Which of the following substances will conduct electricity in both of its molten and solid states?…

A: As we know,  electricity is conducts due to free electrons and free ions   Sn is the element which…

Q: What is semi-conductor?

A: Conductors are those substances which allow the flow of heat and electricity through them while…

Q: Explain the process of making an n -type and p -type semiconductor materials

A: p -type semiconductor : When a semiconductor ( Ge or Si ) is doped with electron deficient impurity…

Q: C(s)graphite --> C(s)diamond

A:

Q: How many coulombs are in 1 mole of charge?

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Q: Name an alloy of:(i) Aluminium used is construction of aircrafts(ii) lead in joining metals for…

A: (i) Duralumin is the aluminium alloy used is construction of aircrafts. Composition of duralumin is,…

Q: Direct currents are uniform and have uniform voltage. O True O False

A: True

Q: What are semi-conductors?

A: Conductors are those substances which allow heat or electricity to pass through it while insulators…

Q: List the properties of copper that make it appropriate for electric wires?

A: Copper is a metal which is commonly used for making electric wires. This is because of the following…

Q: What are n-type semiconductors?

A: A n-type semiconductor is defined as a type of extrinsic semiconductor which is doped with a…

Q: explain the properties of zinc? zinc can conduct current or not?

A: Zinc is a blue-grey, metallic element with the symbol Zn and atomic number 30. it has a blue-silvery…

Q: How can the conductivity of semi-conductors be controlled?

A: The conductivity of semiconductors may easily be modified by introducing impurities into their…

Q: Consider the band diagrams below, which of them represents an n-type semi-conductor? A B C D Energy…

A: When a semiconductor is doped with an impurity of group 15 elements, then the number of electrons in…

Q: Define and compare the terms conductive, insulating, and semi-conductive.

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A: Fabrication of semiconductor materials takes place in a cleanroom.While silicon-based semiconductor…

Q: Which substance below will not conduct Nickel, Aluminum Sulfide, Ethyl Alcohol?

A: To find: The substance that will not conduct electricity?

Q: Specific conductance is expressed in terms of Ohm- cm .a Ohm/cm .b O Ohm.cm .c O Ohm- cm1 .d O

A:

Q: A manufacturing company is trying to produce a lightweight but strong cart for use by home gardeners…

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Q: Modern commercial airliners are largely made of aluminum, a light and strong metal. But the fact…

A: Given, number of persons being carried = 400 average weight = 83  kg length of cylinder = 70.7 m…

Q: Explain about passivation in metals

A:

Q: <p>List the properties of copper that make it appropriate for electric wires and the…

A: Copper is widely used in our daily lives for making electric wires and water pipes.This is because…

Q: Definition of cell electrically?

A: In this question, the definition of a cell has to be provided. An electric cell is defined as a…