A) Calculate the Equilibrium density of Vacancies in a Si (Silicon) lattice at room temperature and at 200C lattice constantfor Si is 5.43A.

B) Describe how stacking faults are induced during oxidation, and the methods found which prevent their formation during oxidation?

C) Describe the difference between extrinsic and intrinsic gettering?

## Explain why can discrete-time fir digital filtersWhy Can Discrete-Time FIR Digital Filters be a Linear Phase, Why can discrete-time FIR digital filters be made exactly linear phase, whereas IIR digital filters cannot? |

## Find the transfer functions seros and polesFind the transfer functions, seros, and poles for the following systems:a. (D^2+10D+24)y(t)=(5D+3)f(t)b. (D^2+4D)y(t)=(3D+2)f(t) |

## What is the temperature of the mercury in superheated statesMercury emerges from the nuclear boiler of a space power generation system at 500 psia and 0.95 quality and is flashed by passing through a flow restriction (valve) into the superheated vapor region to a pressure of 50 psia. |

## Strength of the composite materialThe E-Glass fibers have a tensile modulus of 10x106 psi, and a tensile strength of 0.35x106 psi. The epoxy matrix has a tensile modulus of 0.45x106 psi, and a tensile strength of 9.0x103 psi. What is the strength of the composite material and what f.. |

## Design a chip that could control a bicycle taillightThe goal of year's baseline project is to design a chip that could control a bicycle taillight to produce an apparently random flash sequence. |

## What size capacitor should be placed in parallelA Y-connected load has an impedance of 25+j12 ohms in each phase. It is desired to raise the load power factor to .95 lagging. (a) What size capacitor should be placed in parallel with each phase impedance if frequence = 60 Hz |

## Why bjt is called a bipolar and current controlled device1)Why BJT is called a bipolar and current controlled device 2)What are the different modes of operation in BJT and in which region it act as an amplifier 3)Why Emitter is highly doped ,base lightly doped and collector moderately doped |

## Describe does the eigen function property holdThe eigenfunction property is only valid for LTI systems. Consider the cases of nonlinear and of time varying systems. (a) A system represented by the following input-output equation is nonlinear: |

## Draw a mealy state diagram for the given each caseThe output is Z=1 if and only if the total number of 1's received is divisible by3 (0,3,6, ...) and the total number of 0's received isan even number greater than zero. (Hint: The minimum number of states is 9.) |

## Determine what is the height of the towerHowever, nothing is available with which to measure the length of the rope. Therefore, at the bottom of the rope a small object is attached so as to form a simple pendulum that just clears the floor. |

## Calculate total charge on plates and potential gradientThe capacitance of a capacitor formed by two parallel metal plates each 200 cm2 in area separated by a dielectric 4 mm thick is 0.0004 microfarads. A p.d. of 20,000 V is applied. Calculate (a) the total charge on the plates |

## Find expressions for the voltage-power and stored energyThe current flowing through a 300-mH inductance is given by 5e(-200t). Find expressions for the voltage, power, and stored energy. Sketch the waveforms to scale for 0 |

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