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Bohr given a model for hydrogen molecule which is also applicable for some lighter atoms in which a one electron revolves around a stationary nucleus of positive charge Ze (known as hydrogen like atom)
Bohr's model is based on the following postulates.
(i) The electron can revolve only in particular discrete non-radiating orbits, named stationary orbits, for which total angular momentum of the revolving electrons is an integral multiple of
as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?
Q What is temperature of inversion? Maintain the temperature of the cold junction constant the temperature of the hot junction is gradually increased. The thermo emf increase
TA=300 TB=400 rA= rA=6.3(10)^12
what about capacitor with dielectric & air electric & electrolytic capacitor
How can electricity make magnetic fields? In 1820, Oersted discovered that an electric current can produce a magnetic field. He happened to notice a compass move when he conn
Electromagnetic waves are transverse waves; that means magnetic vector and electric vector, propagation vector are perpendicular to each other. Prove the statement mathematically.
A coil of inductance 100 mH and resistance 800Ω is connected in parallel with a variable capacitor across a 12V, 5kHz supply. Determine for the condition when the supply curre
Illustrates the research of electron microscopy? Research in electron microscopy includes: a. Materials qualification b. Electron beam induced deposition, and materials a
What are different pumping mechanisms in LASERS?
AC Output Resistance in Common Emitter Configuration Ratio of change in collector-emitter voltage (?V CE ) to the change in collector current (?I C ) at constant base curren
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