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if 4 cells each rated for 2v, 0.15A connected as batterries in three different ways. find voltage and current rating of each type. (Hint - all in parallel, all in series, two groups of series connected in parallel)
An additional variable power factor load is to be added to the factory. The new load will add 320 kW to the factory. The power factor of the variable power factor load is to be adjusted so that the overall power factor of the factory is 0.96 laggi..
Design an elevator controller for a simple two-floor elevator. On the 1st floor, there is only an up button, and on the 2nd floor, there is only a down button. Within the elevator, there are two buttons: door open and door close.
A long hallway has three doors, one at each end and one in the middle. A switch is located at each door to operate the incandescent lights along the hallway. Label the switches A,B AND C. design a logic circuit network to control the lights.
This assignment contains electronics engineering questions like State the commonly found components of a SCADA (Supervisory control and data acquisition) system. and decribe the function of the HMI in a SCADA system.
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.69 105 Pa and the pipe radius is 2.80 cm. At another point 2.50 m higher, the pressure is 1.35 105 Pa and the pipe radius is 1.60 cm.
Describe your understanding of the similarity and differences between MOSFET and BJT, in terms of 1) terminal behavior, 2) i-v characteristics, 3) amplifier configuration, 4) small-signal equivalent models and 5) biasing technique.
Consider an ideal op-amp in inverting amplifier configuration with feedback impedance Rf=7ohms and an input impedance consisting of a series RL: Ri=9ohms and Li=5H. Let h(t) be the impulse response of the overall amplifer.
A -find the dc collector current and the dc voltage at the collector. B Replacing the trasistor by its T-model, draw the small signal equivalent circuit of the aplifier. Analyze the resulting circuit to determine the voltage gain vo/vi.
A communication system must transmit the following real valued signal: v(t) = 4cos(2pi*10MHz*t) + 2cos(2pi*20MHz*t)+cos(2pi*30MHz*t)V For this signal, sketch the positive-frequency power specturm P(f>0)
Design a 4 input, 1 output combinational circuit. the input represents a 4-bit number, N = X3X2X1X0, which ranges from 0 to 15. The output, PN is 1 when N represents a Prime Number, otherwise PN is 0.
Consider a MOS device with the following parameters: Aluminum gate, p- typ_e silicon substrate, oxide thickness of 20nm, and surface fixed oxide charge of 4x1010 cm-2 (a) Determine the doping concentration such that the threshold voltage is 0.5V.
Two identical CS amplifiers are connected is cascade. First stage is fed with a source Vsig having a resistance Rsig = 100k Ohm. A load resistance Rl = 10k Ohm is connected to the drain of the second stage.
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