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When carrying out an FFT of a cosine wave whose frequency is 0.1Hz and whose amplitude is unity , explain why the peak amplitude measurement obtained in the range 0.09Hz to 0.11Hz should ideally have a value of 0.5?
Can the same circuit analysis techniques used for resistive circuits with DC sources be used when the sources are sinusoidal Why
Derive a minimal state table for an FSM that act as four bit parity generator. For every four bits that are observed on the input w during four consecutive clock cycles, the FSM generates the parity bit p = 1
What is the total power density and total available current density between wavelength of 280 and 1240 nm for the AM0 and AM1.5 spectra. Assume each photon generates on electron-hole pair. You will need AM1.5 and AM1.0 spectra.
a. If the signal is passed through an envelope detector, determine the output of the envelope detector. Is demodulation satisfactory b.What is the ratio of the max to min value of the signal at the output of the envelope detector
The response of a first order series RL circuit can be represented by a first order linear time-invariant differential equation : d/dt(y) + 4 y= 4 x(t) where the input x(t) is applied across the series circuit and the output is across the resistor
In a balanced 3 phase system, the source is a balanced wye with an abc-phase sequence and Vab = 208
However, for short-time operation, a delta connection can be used at the nominal wye voltage. Find the ratio between the power delivered to the same motor in the wye and delta connections.
Suppose it is known that an analog signal varies between -3V and + 3V, but we require the range of this signal to be changed so that it varies from 0 to 5V in order to meet the input range of an analog/digital converter circuit.
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
An RLC circuit consists of a 25 mH inductor, a 0.001 µF capacitor and a variable resistor connected in series. The initial charge on the capacitor at t = 0 when the switch is closed is 1 mC. What is the critical resistance Rc for this circuit.
A natural gas power plant has a condenser that extracts 18,000 Btu/kg of natural gas. Compute the mechanical energy of the turbine and the overall system efficiency.
a piston cylinder device initially contains steam at 3.5 MPa, superheated by 5 C. steam loses heat to the surrounding and the piston moves down hitting a set of stops at which point the cylinder contains saturated liquid water.
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