Write a MATLAB script to do the following

a. Create 10000 random variables uniformly distributed between 2 and 4.

b. Create a histogram to approximate the actual probability density function.

c. Superimpose the actual probability density function to the above histogram.

Compute the energy density of the magnetic field : On a clear day at a certain location, a 123-V/m vertical electric field exists near the Earth's surface. Compute the energy density of the magnetic field |

What is meant by hedging in the financial futures market : What is meant by "hedging in the financial futures market to offset interest rate risks"? How do firms engage in hedging activities? What knowledge is necessary to hedge the firm's risks? |

Determine the conduction parameter and threshold voltage : Consider a GaAs MESFET. When the device is biased in the saturation region,Id=18.5 micrroamp,Vgs=.35 and Id=86.2 micro amp,Vgs=.5 determine the conduction parameter and k and threshold voltage Vth |

Determine the power transmitted through the shaft of a car : Determine the power transmitted through the shaft of a car when the torque applied is 200 N · m and the shaft rotates at a rate of 4000 revolutions perminute (rpm). |

Create random variables uniformly distributed between 2 nd 4 : a. Create 10000 random variables uniformly distributed between 2 and 4. b. Create a histogram to approximate the actual probability density function. c. Superimpose the actual probability density function to the above histogram. |

Create 10000 gaussian random variables with m and s : Write a MATLAB script to determine the probability P[X+Y=7]. Use a "for" loop to run simulation fifty times with n = 10000. Plot the 100 estimated probability values along with the theoretical result of P[X+Y=7]. |

Prepare all necessary entries in general journal : Why is it stated that LIFO usually produces a lower gross profit than FIFO and prepare all necessary entries in general journal form for Sanford Corp. |

Find the solution to the differential equation in part a : (a) Write down a differential equation modeling the current I(t) (b) Assume that V=0 and I(0)=Io. Find the solution to the differential equation in part a. (c) Assume that V>0 is a constant and I(0)=0. This corresponds to adding a switch to the circu.. |

Find maximum power is could deliver to a well chosen rl : A certain practical dc voltage source can provide a current of 5.5A when it is (momentarily) short-circuited, and can provide 28W to a 20Ω load. Find a.)The open-circuit voltage b.)The maximum power is could deliver to a well chosen RL |

## Calculate the average power density at the distanceThe IEEE safety limit for radiation exposure at this frequency is 0.2 mW/cm^2. Use this fact and your answer in part(a) to advise the local college students if it is a good idea to have a keg party at the base of the radio tower. |

## Specify the parameters rin-avo and ro of an amplifierspecify the parameters Rin, Avo, and Ro of an amplifier that is to be connected between a 100k ohm source and a 2k ohm load and is required to meet the following specifications: A. No more than 10% of the signal strength is lost in the connection t.. |

## Why then do the even use jfets as amplifiersWhy then do we even use JFETs as amplifiers What is it that make them attractive even though they are non-linear? How do we minimize the effect of their non-linearity |

## Design a logic circuit so that no adjacent gates or outputsThere are three gates. Each gate can be opened or closed depending on the three logic inputs: (a, b, c). Gate open logic=1, gate close= logic 0. Design a logic circuit so that no adjacent gates or outputs (x, y, z) are open at the same time. |

## Find the appropriate subchannel modulation formatFind the appropriate subchannel modulation format (note: the number of constellation points in the modulation mapping scheme should be the power of two). |

## Compare the cost of using electricity and natural gasThe temperature of water in a 25 gallon water heater is supposed to be raised from 60 deg F to 125 deg F. Compare the cost of using electricity and natural gas to heat the water. |

## Calculate the voltage gain of the second stage-av2two identical CE amplifiers are connected in cascade. The first stage is fed with a source eVsig having a resistance Rsig= 10k ohms. A load resistance Rl=10K ohms and is connected to the collector of the 2nd stage. |

## Find the heat energy generated by the amplifierThe power amplifier in a home theater amplifier has an output power of 200 watts. Assuming a Class B amplifier with the maximum theoretical efficiency is used, find the DC power delivered to the amplifier. |

## Discuss the purpose of the two timers in the ladder logiche operation of the system requires that, before any change of motion direction, the motor must be in a full stop by push the "STOP" button Assuming bother timer TD1 and TD2 have the same preset time of 1 minute |

## Determine the appropriate sop equationsUsing this method, create and test a minority vote circuit, a circuit designed to indicate when one or no inputs are HIGH. Determine the appropriate SOP equations, enter, compile, simulate, download, and test your solution. |

## Find the maximum speed for a circular diskA circular disk having a radius of 4 ft and weighing 40lb has a small weight of 20lb attached to it at a distance of 2ft from its center. If the disk is in the vertical plane and set in rotation about an axis through |

## Calculate the magnitude and phase angle of terminal voltageAssuming that the secondary is open-circuited and that the primary is connected to a 13.8-kV source, calculate the magnitude and phase angle (with respect to the high-voltage source) of the voltage at the secondary terminals. |

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