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The higher power level band is called as the conduction band.
(i) It is also called as empty band of minimum energy.
(ii) This band is partially filled by the electrons.
(iii) In this band the electrons can gain energy from external electric field.
(iv) The electrons in the conduction band are known the free electrons. They are free to go anywhere within the volume of the solid.
(v) Current flows because of such electrons.
Start from the expression of the electric field outside an infinite sheet of uniform surface charge density, E = s/2epsilon, derive the electric field just outside an ideal conduct
Explain Brewster's experiment and describe how Brewster's law was formulated.
Lenz's law (H.F. Lenz; 1835): An induced electric current always pass in such direction that it opposes the change generating it.
Adding 2 Vectors An easy demonstration of adding 2 vectors graphically. Also demonstrates in which vector addition is commutative.
Anode rays were discovered by: (1)Goldstein (b)J. Stoney (3)Rutherford (4)J.J. Thomson Ans: (1)Goldstein
Why the velocity of light is limiting velocity of anything.
what is the substance produced in the liver that acts in the small intestine during digestion?
A disk defamation horizontally on a frictionless, mass less, rotational motion support such that the disk is spinning freely about a vertical axis through the centre of the disk an
Energy that is radiated or transmitted in the form of rays or waves or particles.
sonic waves
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