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The rotor of a 4 pole generator is wound with a 100 turn coil. If the flux per pole is 4.5mWb and the rotor turns at a speed of 1800 rpm, determine
(a) The frequency of the induced voltage in the rotor.
(b) The maximum value of the induced voltage.
(c) The effective value of the induced voltage.
Optimum length of the antenna to receive the FM station, An FM radio station transmits at a frequency of 99.9 MHz. A radio receiver has an antenna that is a quarter wavelength monopole consisting of a telescoping rod
To simulate a continuious-time system with input x(t) and impulse response h(t) using a digital system, one can first sample x(t) and h(t) to obtain x[n] and h[n] respectively and then perform a discrete-time convolution between x[n] and h[n]
Important information about Noise, Explain the role of the central limit theorem in the behavior of Additive White Gaussian Noise (AWGN).
1. If x(t) is periodic with period 2.1 seconds and y(t) is periodic with period 2.4 seconds, is x(t)+y(t) periodic Why or why not 2. If x[n] is periodic with period 15 seconds and y[n] is periodic with period 10 seconds, is x[n]+y[n] periodic
suppose that another FM station is in the vicinity is broadcasting at 98.1 MHz. determine the relative value of the voltage across the resonant circuit at this frequency compared with that at 98 MHz, assume that the current produced by both signal..
Important information about System Analysis and Design, Elmwood College Situation: The school is considering a new system that will speed up the registration process.
An open-circuited 50 Ohm microstrip transmission line is used in a microwave amplifier circuit to provide a capacitance of 3.2 pF at 2.3 GHz. (a) Find the appropriate electrical length of the line and (b) Find the lumped element values of the open..
The NF (dB) is defined as 10log(SNRin/SNRout) - in the unit of dB. If we are given the values of SNRin and SNRout in dB unit, how do we calculate NF (dB) in terms of dB, and how do we calculate NF in term of a pure ratio
specify 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..
Determine the values of the lumped parasitic capacitor and inductor in a 5 ft long two-wire transmission line with air dielectric Each wire has a diameter of 1 mm and the separation between the wires is 1 inch.
The purpose of this project is to design a device that would remotely control (from a Bluetooth-enabled mobile phone for instance) at least two actuators (e.g. relays and switches).
Given the electric field E=4xux+2yuyV/m find the voltage between the points A(2,0) and B(0,2) integrating along: (a) straight line AB; (b) broken line AOB, where O(0,0).
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