An n-type semiconductor is known to have an electron concentration of 5 × 10 ^17 m-3 . If the electron drift velocity is 350 m/s in an

electric field of 1000 V/m, calculate the conductivity of this material.

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Calculate the conductivity of the material : An n-type semiconductor is known to have an electron concentration of 5 × 10 ^17 m-3 . If the electron drift velocity is 350 m/s in an electric field of 1000 V/m, calculate the conductivity of this material. |

What is the amount of each loan payment : You are buying a previously owned car today at a price of $3,500. You are paying $300 down in cash and financing the balance for 36 months at 8.5 percent. What is the amount of each loan payment? |

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## Find the values of k that yield closed-loop polesFor the closed-loop system with plant model and controller given by G(s) = (s2+81)/(s2(s2 + 100)) D(s) = (K (S+1))/(S+13) (a) Find the locus of the closed-loop roots (poles) with respect to K; |

## What is the maximum distance allowed in kilometersYou are repairing a guided transmission system made up oftransmitter module, coaxial link and a receiver. The receiver'serror rate has jumped dramatically recently after an electrical storm when several repairs were made to the system. |

## Find the circuit elements-power and power factorWhen a voltage v(t)=250 sin[314t-(pi/4)] is applied to a circuit,the current in the circuit is found to be i(t)=50 sin[314t-(pi/2)] amperes. Find the circuit elements,power & power factor. |

## What is the theoretical barrier height of semiconductorConsider two Si samples; one is p-type doped to 1018/cm3 acceptor atoms and the other one n-type doped to 1015/cm3 donor atoms at room temperature (300K). a. Draw the band diagram associated with p-type and n-type semiconductors, noting the various.. |

## What makes base 16 an attractive numbering system1.Convert 5EDA into binary number. What makes base 16 (Hexadecimal) an attractive numbering systems for representing values in computers 2. What is 4365 - 3412 when these values represent unsigned 12-bit octal numbers |

## How much energy does the wave carry through the windowThe wave passes perpendicularly through an open window, the area of which is0.244 m2. How much energy does this wave carry through the window during a 48.9 s phone call |

## Design an address decoder that locates three blocksDesign an address decoder that locates three blocks of memory inthe address space as shown below. Show your address decoding table.Then produce a gate level design a. $000000 - $7FFFFF b. $A08000 - $A08FFF |

## How many of 16bits of a/d converter are effectively utilizedFor the system used in this lab, suppose the voltage tobe measured in a certain experiment is always positive, and neverexceeds 2.5 V. How many of the 16 bits of the A/D converter are effectively utilized |

## Calculate the reluctance of the magnetic circuitA ‘c-core' inductor has a total air-gap length of 3 mm and a cross-sectional area of 100 cm2. Two coils are wound on the core - one of 500-turns and another of 250-turns. Assuming the iron reluctance, fringing flux and leakage flux to be negligibl.. |

## How long does it take light from sun to reach neptuneThe average orbital radius of Neptune is 2.8 billion miles. Given that distance, how long on average does it take light from the sun to reach the planet Neptune in hours (Speed of light in English system = 186,282.4 miles/second) |

## What is minimum clock period required for state machineFor a state machine, suppose the propagation and contamination delays of the next state circuit are 20nsecs and 5nsec, respectively. For the registers to store the current state, the propagation delay, set-up time, and hold time are 4 nsec, 2nsec,.. |

## Determine values of resistance-r and capacitance-cA resistor R, capacitor C, and voltage source Vs= 100 cos 300t Vare all in series. If the average power dissipated by the resistor is 150 W and the rms capacitor voltage is $) V, determine R and C. |

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