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i have 3 questions in the attached file can you solve it????? <br/> <br/>the deadline will be 7/9/2014 10am <br/>
Suppose that without a 1k-ohm load an amplifier's output voltage is 5Vpp but when the 1k-ohm load is attached, it drops to 3Vpp. What is the output impedance of the amplifier
Design a system that has as inputs the scalar voltages of lead II and lead III and as output the scalar voltage of the cardiac vector M.
give three methods that are used to express logic relationship between inputs and outputs of a logic gate, for example a three-inputs NOR gate.
a. Sketch the spectrum of the original signal and the sampled signal from 0 kHz and 25 kHz. b. Sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal. X(f) 10k 2..
assuming positive-sequence operation,calculate the exact abcd parameters of the line.compare the exact B parameter with that of the nominal II circuit.also compare the equivalent and nominal II circuit for the line.
Determine in each case whether the indicated signal x(t) isperiodic. If x(t) is periodic, find its fundamental frequence in Hzand fundamental period in seconds. a)x(t) = 3-5cos(1080t) + 7cos(2160πt) b)x(t) = 5sin(1080πt) - 7cos(3240πt)
Why developing software for wireless devices is challenging? List and briefly describe the two (2) reasons given in your textbook for why developing software for wireless devices is challenging.
A 24-volt automotive battery is connected to two headlights, such that the two loads are in parallel; each of the head lights isintended to be a 75-W load, however, a 100-W headlight is mistakenly installed.
What will be the power factor when the resistor voltage is 9 V at an angle of 30 degrees, and the capacitor voltage is 3 V at an angle of - 60 degrees in a RC series circuit. Also, what will be the power factor when the inductor voltage is 9 V.
you borrowed $10000 from a local bank with the agreement that you will pay back the loan in five years the pay back plan includes two parts: a graduated payment plan with the first payment set at 1500 at year 1 and a gradient of $600 afterward
The secondary's of a step-down, three-phase transformer bank are delta connected and supply a three-phase 240v moter that draws 12A through each line. What is the current in each transformer winding If the turn ratio of the transformers
How does ambient temperature affect the forward bias voltage of a diode. For some significant enough increase in temperature, how will the voltage across the diode terminals be affected
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