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The energy band formed by a series of energy levels having valence electrons is called as valence band. At 0 K, the electrons fulfill the energy levels in valence band initialising from lowest one.
(i) This band is always fulfilling by electron.
(ii) This is the type of maximum energy.
(iii) Electrons are not capable of enhancing energy from external electric field.
(iv) No flow of current because of such electrons.
(v) The highest power level which may be placed by an electron in valence band at 0 K is known Fermi level.
What should be the length of the dipole antenna for a carrier wave of Frequency 3 X 1O 8 Hz? Define 'electric line of force' and give its two important properties.
for 2013
Type 1 and type 2 superconductors: For one group of SUPERCONDUCTOR in which below H c is in the Meissner state, where it excludes all the magnetic flux from the interior of the
calculate
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Marine Application:- Suitably designed one or double speed squirrel cage induction motors are used.
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