Question

Read the following passage carefully and answer the given question:- It is the outermost solid part of the earth, normally about 8-40 kms thick.It is brittle in nature.Nearly 1% of the earth’s volume and 0.5% of earth’s mass are made of the crust.The thickness of the crust under the oceanicand continental areas are different. Oceanic crust is thinner (about 5kms) as compared to the continental crust (about 30kms).Major constituent elements of crust are Silica (Si) and Aluminium (Al) and thus, it is often termed as SIAL (Sometimes SIAL is used to referLithosphere, which is the region comprising the crust and uppermost solid mantle, also).The mean density of the materials in the crust is 3g/cm3.The discontinuity between the hydrosphere and crust is termed as the Conrad Discontinuity. A) Following passage signifies the characteristics of ____________?​

Answer 1

Answer:

For a p-type semiconductor, which of the followmg statements is true ?

I. Electrons are the majority carriers and trivalent atoms are the dopants.

II. Holes are the majority carriers and trivalent atoms are the dopants.

iii. Holes are the majority carriers and pentavalent atoms are the dopants.

iv. Electrons are the majority carriers and pentavalent atoms

Answer 2

Answer:

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