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Determine the Type of the Semiconductor
An unknown semiconductor has Eg=1.1 eV and Nt=Nv. lt is doped with 1016/cm3 donor atoms. -
(a) Determine the type of the semiconductor after doping.
(b) Given that EF is 0.2 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300° K.
(c) Draw the band diagram with appropriate labels.
Q. A three-phase, 60-Hz induction motor runs at almost 1800 r/min at no load, and at 1710 r/min at full load. (a) How many poles does the motor have? (b) What is the per-unit
Q. Write a control word for counter 1 of 8253 / 8254 that selects following options: load least significant byte only, mode 5 of operation and binary counting. Then write an inst
details of commutator
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Given: R 1 = R 3 = 1 k_, R 2 = 100 k_ and k = 0.1 A/V, and step-up transformer turns ratio is 10. a) Find the value of the load resistor RL that would maximize the power
Explain kinds of strain gauge bridge circuits and resistance strain gauges.
ABCD propagation of an optical ray through a system can be described by a straightforward two by two matrix. In ray optics, the feature of a system is known by the correspondin
Define Hysteresis Hysteresis is the 'lagging' effect of flux density B whenever there are changes in the magnetic field strength H. When an initially unmagnetized ferromagnetic
Pressure guage
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