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GALLIUM PHOSPIDE: It has band gap of 2.3ev. it can be used for light emitting diodes which can emit green or red light. The red light is obtained with zinc or cadmium oxide doping.
SELENIUM: It is found in crystalline and non-crystalline form. It is used as rectifier material for photo voltaic cells and for xerographic printing. Selenium films are used as photo electric light meters. Its melting point is 2200C.
LEAD: it is soft heavy and bluish gray metal. It is highly resistant to many chemical actions but can corrode by nitric acid, lime and rotten organic substances. Lead and its compounds are toxic. It is mechanically weak it cannot withstand vibrations at high temperatures. It alloys easily with Tin and zinc and forms many commercial alloys, including solders and bearing metals.
Does the moment of inertia of a cylinder change if the direction of the rotation axis is changed, but it still goes through the center of mass?
an object has moved through a distance.can it have zero displacement?if yes support your answer with an example
Metallurgical Industry:- Variable speed DC drives are being use usually now variable frequency AC drives using squirrel cage motors
FARADAYS LAW: When the magnetic flux through the coil is made to vary, an emf is induced in the coil. The magnitude of the induced emf is proportional to the rate of change of
An air dielectric is changed with a glass dielectric inside a capacitor of fixed dimensions. Relatively speaking, what will occur to the quantity of charge the capacitor can
Draw the energy band diagrams of a tunnel diode for different biasing conditions. Band Diagrams of a Tunnel diode: The energy band diagram for a heavily doped unb
A blackhole is a region of spacetime from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a sufficiently compact mas
as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?
Two kilograms of an ideal gas with constant c p =1kJ/kgK and c v = 0.7kJ/kgK are contained in an insulated piston-cylinder device with an initial volume of 0.3m 3 and a pressure o
If the angle of incidence is 60 degrees,then what is the angle of deviation?
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