A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power. Calculate the power converted to mechanical power, the output power (9.26 kW), the output torque, and the motor efficiency (92.6%).

Calculate the inductive reactance per meter of single-phase : Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 3cm and the distance between the two conductors is 2m . |

Calculate the voltage at the transmitting end : A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4×10?11 S/mile, resistance (R) is 0.1 ?/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile. |

Specify the value of a smaller inductance : A single-phase, 60-Hz power will be transmitted through the transmission line Each subconductor's radius is 10 cm. There are two configurations, the first one is setting subconductors A and B as a bundle, and C and D as another bundle |

Determine what is the frequency of oscillation : For a Wien-bridge oscillator Given R = 20Kohm and C = 10nF what is the frequency of oscillation Given a required frequency of oscillation of f = 3kHz and R = 5kohm, what should the value of C be |

Calculate the power converted to mechanical power : A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power |

Determine what is the transmission angle : A 5 GHz parallel polarized wave with amplitude 5 V/m is oblique incident from an air of (z 0. The angle of incidence is 53.13 deg. What is the transmission angle |

Calculate the current at the transmitting end : A) If 220kV, 220 MVA with power factor 0.8 lagging is determined to be at the receiving end, calculate the voltage at the transmitting end. B) If 220kV, 220 MVA with power factor 0.8 lagging is determined to be at the receiving end |

Calculate the unit impulse and the unit step responses : A simple low-pass discrete-time filter is characterized by the following linear difference equation: y[n] = f y[n-1] +(1- f) x[n] , with 0 1 Draw and clearly label an adder-gain-delay diagram for the filter. using the same difference equation from a.. |

At what time t2 has 50 percent of the initial energy stored : A 190-F capacitance is initially charged to 1190V . At t = 0, it is connected to a 1-k resistance. a) At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance |

## What local oscillator frequency would you useFor the local oscillator you selected, what transmission frequencies could cause interference to the satellite system and how could the interference be avoided? Show a diagram. |

## Define characteristics of a filterCharacteristics of a filter, A filter has the following characteristics: Attenuation = 3.0 dB from 0 Hz to 2 kHz. From 2 kHz to 20 kHz attenuation increases from 3 dB to 23 dB in a straight line when plotted on axes of power in decibels (vertical a.. |

## What is the main cause of bit errors on this digital linkWhat is the main cause of bit errors on this digital link? At the receiver, what is the rule that is used to decide whether to output a 1 or a 0? |

## How parameters must be constrained to make system constantIn the question below only focus on the parameter or parameters that are relevant to the particular property you are being asked about in the particular question. If you need to constrain a parameter to satisfy the stated criterion. |

## Find the shortest impulse responseAn analog signal xa(t), band-limited to 5 Hz, is sampled at a rate of 10 samples per second to give a discrete-time signal x(n) = xa(0.1n). The discrete-time signal x(n) is then filtered with an digital FIR filter, h. |

## Impact of electron energyBriefly discuss the impact of electron energy, electron current and target on the Bremsstrahlung generated. |

## What is the memory layoutWhat is the memory layout of the 16-bit value, 0x7654 in a big-endian 16-bit machine. |

## Compute the average price increase for goldGold cost about $100 an ounce in 1971. In 2007, the cost of an ounce of gold is hovering around $800. compute the average price increase for gold. |

## What are the transfer functionWhat are the transfer function and the impulse response of the system? |

## Discuss the flat and segmented memory modelsDiscuss the flat and segmented memory models and provide an example |

## Create a program using asmideCreate a program using AsmIDE, which utilizes the Fox 11 68HC11 microcontroller board: Speech timer where max time is 5 minutes Use the switches for: |

## How is crude oil formed1.How is crude oil formed ?How is it found/discovered ? 2.How is natural gas formed? (Start with plankton) and include crude oil formation. |

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