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Analysis of Semiconductor Devices
There are two complementary techniques of studying semiconductor devices:
The electrons in the valence band are not able of acquiring energy from external electric field and therefore do not contribute to the current. This band is not at all empty but may be partially or totally with electrons. On the contrary in the conduction band, electrons are seldom present. But it is probable for electrons to acquire energy from external field and thus the electrons in these bands contribute to the electric current. The forbidden energy gap is devoid of any of the electrons and this much energy is needed by electrons to jump from valence band to the conduction band.
Other words, in the case of conductors and semiconductors, like the temperature increases, the valence electrons in the valence energy move from the valence band to conductance band. Like the electron (negatively charged) jumps from valence band to conductance band, in the valence band there is a left out deficiency of electron that is called Hole (positively charged). Depending upon the value of Egap that is energy gap solids can be categorized as metals (conductors), insulators and semi conductors.
A three-phase, wye-connected, cylindrical-rotor, synchronous motor, with negligible armature resistance and a synchronous reactance of 1.27 per phase, is connected in parallel wit
having looked at the circuit, i first wanted to start my frequency from 0 and plot for 10000 to 20000. so in matlab i used f = 0:10000:20000; but the equation for frequency is f= 1
introduction for on ac circuits
Port Address The port address is of 8 bit it is range from 00H to FFH. It means there may be total i 256 input ports and 256 output port which can be accessed by 8085
Q. An 8 - pole dc generator has 500 armature conductors and has a useful flux per pole of 0.065 web. What will be the emf generated if it is lap connected and runs at 1000 r.p.m.
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Name the flag bits available in 8085 microprocessors. The 8085 microprocessor has five flags to show five different types of data conditions .they are zero(Z),carry(CY),Sig
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For a given logic family, consider VOL = 0.25V and VOH = 5 V . For a given circuit, VIL = 0.96 V and VIH = 2.18 V. Find the largest positive-going and largest negative-going nois
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