Explain the concept of effective mass of an electron

Asked by admin @ 23/08/2021 in Physics viewed by 246 People

Explain the concept of effective mass of electron.

Answered by admin @ 23/08/2021

In general, however, the value of effective mass depends on the purpose for which it is used, and can vary depending on a number of factors. For electrons or electron holes in a solid, the effective mass is usually stated in units of the rest mass of an electron, me (9.11×10−31 kg).

Explain and compare the concepts of comparative and absolute advantage

Asked by admin @ 26/11/2021 in History viewed by 260 persons

What is the difference between comparative advantage and absolute advantage? A. Comparative advantage measures opportunity cost and absolute advantage measures efficiency.B. Absolute advantage measures opportunity cost and comparative advantage measures …

A hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. the total electrical energy used by the dryer during this time interval is

Asked by maham237 @ 13/01/2021 in Physics viewed by 1194 persons

Mind map for light reflection and refraction class 10

Asked by admin @ 23/08/2021 in Physics viewed by 1135 persons

The african cicada is the world's loudest insect, producing a sound intensity level of 107 db at a distance of 0.50 m. what is the intensity of its sound (in w/m2) as heard by someone standing 3.1 m away? express your answer in watts per meter squared.

Asked by maham237 @ 10/01/2021 in Physics viewed by 1087 persons

A thief runs at a speed of 10m s

Asked by admin @ 23/08/2021 in Physics viewed by 1085 persons

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Asked by maham237 @ 20/06/2021 in Physics viewed by 1071 persons

Explain the concept of effective mass of an electron

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