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1. Design an interface circuit so that an input voltage vS (t) = 100 cos(2 × 104t) V delivers a steady-state output current of iO(t) = 10 cos (2 × 104 t -60°) mA to a 1-kΩ resistive load. Validate your answer using Multisim.
2. Design an interface circuit so that an input voltage vS(t) = 15 cos(100 kt) V delivers a steady-state output voltage of vO (t) = 10 cos (100 kt - 45°) V.
IF a battery supplies 3 joule of energy in transferring 0.25 couloms of charge through an element, what is the voltage across the battery
A set of digital scales is required to measure a load of 1000 N with an accuracy of ±1 N. Determine the minimum output resolution of the required ADC.
1. Because the circuit below stores energy in the capacitor and in the magnetic field of the inductor and the energy is simply transferred back and forth on alternate half-cycles, this circuit is commonly called a
A switch, a 220 resistor, and a 60 mH inductor are in series across a 20 V battery. - What is the current through the inductor two time constants after the switch is closed?
A D'Arsonval meter movement is described by its fullscale current Ifs and full scale voltageVfs , with Vfs= 100mV andIfs=10mA . Determine the resistanceRm of the D'Arsonval meter movement.
An ordinary broadcast television channel has a bandwidth of 6 MHz. How many FM radio stations (with a bandwidth of 200 kHz each) could be accommodated in one television channel using FDM
Provide a plausible explanation of the phenomenon. Assuming that your explanation is correct, how might the photosensitivity be enhanced? To what practical uses might this phenomenon be put?
Suppose we transmitted 5 cos wct for logic one and 15 cos wct for logic zero. Find the maximum signal energy. Design a demodulator and show the detection criterion for the output of the demodulator. Finally, find the bit error-rate.
Find the probability that a particular arrival time measurement will be in error by less than 0.01 microsecond.
Calculate the load (kVA) at which the transformer efficiency would be maximum for a given power factor.
The fermi level for the conductor is 5.6e.V. There are 5.8x1028 free electrons /m3. Find the (a) mobility and relaxation time of electrons ,(b)Average drift velocity of the electrons when the applied electricfield is 1.5 V.- cm-1, (c)Mean free pat..
Compare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis.
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