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Given the signal x(t) = 10 cos (120t + 60°) volts:a. What are the cyclic frequency (in Hz) and period of this signal?
b. Express this signal in the Quadrature and Sine/Angle forms.
c. Express this signal in terms of complex exponentials (hint - use Euler's identity equation).
A 3-phase, 5 MVA, 11 kV, 60 Hz synchronous machine has a synchronous reactance of 10 Ohms per phase and has negligible stator resistance. The machine is connected to the 11 kV, 60 Hz bus and is operated as a synchronous condenser
A baseband sine wave signal with frequency 4.0 kHz is modulated onto a carrier at 1.050 MHz using DSB-LC AM. What are the frequencies of the sidebands of the RF signal?
A small generator produces 10 C of charge every ten seconds across a potential difference of 100V. What is its power generation in Watts
What will cause latch-up in a CMOS IC. What might happen in this condition. What precaution should be taken to prevent latch-up.
1) For a forwarard converter, derive the minimum value of Vr - as a function of the input voltage Vg, the duty cycle D, and the turns ratio N1/N2 - that will cause the transformer magnetizing current to be reset to zero by the end of the switching..
The following 4 differential equations describe mass spring systems. Identify each system as either undamped, overdamped, underdamped, or critically damped (Justify your answer). Determine the angular frequency and period for the undamped
The lithographic system A uses KrF excimer laser source (248 nm) while the lithographic system B uses the I-line of a Hg lamp (365 nm) as the photon source. Give two main shortcomings of the e-beam lithography
A 60-Hz source supplies power to an industrial load through a transmission line of impedance (0.2+ j0.1) ohms. The load consumes 130 kW of power at line voltage VL= 440
Three single-phase transformer are used to form a three-phase transformer bank rated 13.8kV(delta)/120kV(wye). One side is connected to a three-phase load of 12 MVA at 0.8 power factor lagging. Determine the turns ratio of each transformer
(a) Find Cox and (b) For an NMOS transistor with W/L = 15 m/0.25 m, calculate the values of VOV , VGS, and VDSmin needed to operate the transistor in the saturation region with a dc current ID= 0.8mA.
design the details of the D/A using a Weighted Resistor( NOT R-2R) technique, as well as the logic details of the sequencer/decision maker/state machine which sequences the A/D through its conversion steps to convert an analog input into a 4-bit b..
The current through a particular circuit element is given by i(t) = 10sin(200*pi*t) A. Determine the net charge that passes through the element between t=0 and t=10ms. Repeat for the interval t=0 and t=15ms.
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