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Q. What is an intrinsic semiconductor? Give any two examples.
A) A semiconductor which is pure as well as contains no impurity is known as an intrinsic semiconductor.
B) In an intrinsic semiconductor the numeral of free electrons and holes are equal. General examples of intrinsic semiconductors are pure germanium and silicon.
The number of unpaired electrons in the Fe2 + ion is: (1) 0 (2) 4 (3) 6 (4)3 Ans: 4
10 moles of an ideal gas expands reversibly and isothermally from a volume if 5 lit. to 50 lit. at 25°C. Find the maximum work done? Express the result in Joules.
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What is the force required to accelerate a mass of one kilogram one meter per second per second? Basically, you have defined the Newton. Force is the vector product of mass
Resistivity of conductors is most affected by (A) Composition. (B) Temperature. (C) Pressure. (D) Current. Ans: Resistivity of conductors is most
Match the name of every item given in the list below to the label pointing to that item in the diagram. Answer: I guess the only point I desire to stress here is that
Explain the term 'resistivity' and write its S. I . unit. Derive the expression for the resistivity of a conductor in terms of number density of free electrons and relaxation time.
estimation of nuclear fusion on basis of liquid drop model
describe optical fiber communication with block diagram
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