A certain solenoid (50cm long with 2000 loops) carries a current of 0.7A and is in vacuum . An electron is shot at an angle of 10° to the solenoid axis from a point on the axis , what must be the speed of the electron if it is to just miss hitting the inside of the 1.6cm diameter solenoid.
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Ответ:
Answer is in the file below
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Ответ:
"Valence" electrons or the free electrons
Explanation:
Electrical conductivity can be defined as the property of the substance to conduct electricity, heat etc through it. This conductivity is caused due to the migration of particles which are electrically charged within the atomic lattice of the substance.
The outermost electrons or the electrons in valence shell are the main cause behind the conductivity property exhibited by any substance. Higher the number of electrons in outer shell, higher the conductivity.
Since these electrons are in the outermost shell, they can move easily. Under an impact of applied heat, charge these electrons migrate through the atomic lattice and thus conducts electricity, heat as the case may be.