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In 2006, the world consumed 16.28×1012 kWh of electricity; estimate the maximum amount of sulfur dioxide released from the coal-fired power plant worldwide.
Read "Are Families Dangers?" by Barbara Ehrenreich and write an introduction to an essay about whether or not you agree with her views. The introduction should summarize her views and then state your thesis using three examples that will be used to a..
an 8 pole synchronous motor produces a full load torque of 25 foot pounds, fed from a 60hz source and is now operating at 60% eff. What is the energy cost if the motor ran for a 8000 hrs/yr and the electrical energy cost were $.09/kWh.
The noise signal is measured to be 1.35 V. The output difference signal is 3.95 V and the common-mode output signal is0.95 mV. Determine the common-mode gain, the differential mode gain, the CMRR, and the CMR (in dB) for the amplifier.
Assume that, in S, there is a constant magnetic field and no electric field. Show that E' = V cross B' in S'.
For the signal x(t) = 4cos(800p t +p / 4) + 8cos(1200p t -p / 3) - 4cos(1600p t) : (a) Sketch the double--sided spectrum of the signal, indicating the magnitude and phase of each component. (b) What is the period of x(t)
(a) Determine the cone angle that will match the line to an infinite length biconical antenna. (b) For the cone angle of part (a), determine the two smallest cone lengths that will resonate the antenna.
Determine the capacitance required in a half wave rectifier to produce a ripple voltage less than 0.2V. Assume that the input is a 60Hz signal with maximum voltage VM=100V
Devise a detailed algorithm for a ring with p nodes so that each node would atttain the final sum of original node values. Determine the worst case communication steps for the algorithm.
We have studied the performance of the Alamouti scheme in a channel with two transmit and one receive antenna. Suppose now we have an additional receive antenna. Derive the ML detector for the symbols based on the received signals at both receive ..
a)What is the voltage across a 220-ohm resistor if the current through it is 5.6 mA b)What is the current through a 6.8-ohm resistor if the voltage drop across it is 24V c) What is the power delivered by a 6 V battery if the current drain is 750mA
Now, suppose that an initial voltage of 1V is present at the capacitor at zero time (t = 0). Will the behavior of the circuit when a step input is applied still yield an exponential rise or will the behavior be of some other type
The component generated at the symbol frequency can then be phase tracked by a PLL in order to generate the symbol synchronization, as illustrated by the following MATLAB simulation:
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