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What is the difference among Free Electron Theory and Band Theory of solids?
Free Electron Theory:
This theory says that, metals conduct electricity due to the presence of free electrons in it. The outermost shells of metal atoms will be loosely bound with their nucleus. So the electrons in it are free to move anywhere in the solid.
These electrons are known as free electrons and these electrons are responsible for the conduction of electricity.
Functions of the commutator: A commutator is a device, which under certain conditions changes ac into dc and vice versa. The commutator is a form of rotating switch placed
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The integral in Ampere's Law is an integral. Answer: The integral is an integral along (over) a closed path (curve).
The output of an OR gate is linked to both the inputs of a NAND gate. Draw the logic circuit of this combination of getes and write its truth table. Illustrate a plot of potent
Explain vectors Vectors : a quantity that has a size as well as direction is known a vector. So, for example, the wind blows with some speed and in some direction. So the win
what is sound wave
why do some substances react with each other while others don''t?
Can several fibers gives the same amount of light? No, some fibers do not give similar amount of light. If a no. of fibers or light guides are coupled similar illuminator, this
Define the characteristics of Heterojunction laser. Heterojunction laser: The threshold current density for homojunction lasers is extremely large because of poor optical an
The merry-go-round described in the previous problem is pushed with a constant force of 53 N. What is the angular acceleration?
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