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Suppose that the input voltage to an amplifier has a peak amplitude of 100mVand contains components with frequencies ranging from 1 to 10 kHz. We want the output voltage waveform to be nearly identical to that of the input except with larger amplitude (by a factor of 100) and possibly delayed in time. Based on this information, what specifications can you make for the amplifier?
an ordinary flashlight battery is found to have a potential of 1.4 V when disconnected and a potential of 1.2V vhen connected to a resistance that has a producing a current of 0.004 A. what is the internal resistance of the battery
The charge of an electron is 1.60 x 10-19 C. A current of 2 A flows in a wire caried by electrons. How many electrons pass through a cross section of the wire each second
An autotransformer is used to connect a 12.6-kV distribution line to a 13.8-kV distribution line. It must be capable of handling 2000 kVA. There are three phases, connected Y-Y with their neutrals solidly grounded. What must the NC / NSE turn..
Three capacitors are found that each have an impedance of -j2.0, and they are connected in parallel with the load in a wye configuration. Determine the power factor of the combined load as seen by the source.
A process has the dynamics G(s)=5/s^2. Design a unity negative feedback controller of the form G.c(s)=Ks+1 for a step response exhibiting approximately 15% overshoot.
a filamentary conductor carrying current I in the z direction extends along the entire z axis. At z=0 it connects to a copper sheet that fills the x>0 and y>0 quadrant of the xy-plane. Set up Biot-Savart law and find H everywhere on z axis.
design a program for a microcontroller that takes in an input for hundreds, tens and ones in the form of a7 segment display. The user holds down either of the three buttons to increment the hunreds, tens or ones position - which is shown to be inc..
modify the Very Simple CPU to incorporate a new 8-bit register,R, and two new instructions. MVAC performs the transfer Râ†AC and has the instruction code 1110 XXXX; MOVR performs the operation ACâ†R and has the instruction code 1111 XXXX.
A copper wire has a diameter o 2.05mm and carries a current of 5 A due solely to electrons. (These values are common in residential wiring) Each electron has a charge of 1.60x10^-19C. find the average velocity of the electrons in the wire
consider the following systems described by their difference equation. find the transfer function and impulse
Design a cascade of two lowpass L-networks to optimally mathc Rs=50 ohm to RL = 5k ohms at 10MHz frequency. Choose network parameters to maximize overall bandwidth.
Why star delta starter is preferred with induction motor? State the difference between generator and alternator. Why AC systems are preferred over DC systems? How can you relate power engineering with electrical engineering? What are the various kind..
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