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A 100µF capacitance is connected in parallel with the series combination of 10-mH inductance and a 1 ohm resistance. Calculate the impedance of the combination in polar form for angular frequencies of 500, and 1000 radians per second?
A parallel-plate capacitor is charged to a potential V0, charge Q0 and then disconnected from the battery. The separation of the plates is then halved. What happens to (a) the charge on the plates
If a 250 us period clock signal must be transmitted with a 10 kHz data signal on the same link, then what is the minimum bandwidth necessary to support both signals.
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
A 240kW 500V 1750 r/min separately excited dc generator has an overall efiiciency of 94%. The shunt field resistance is 60 ohms and the rated current is 5A. The I^2 R loss in the armature is 0.023 pu.
The microprocessor then reads the 8-bit data from the dip switch and puts the value in memory starting at location called ‘BUFFER' . This same data is sent to a digital-to-analog converter ( D/A) whose output drives a dc motor.
In a balanced three-phase wye-wye system, the load impedance is 4 + j3 . The source has phase sequence abc and Van = 120
An infinitely long cylindrical dielectric of radius b contains charge within its volume of density ρv=aρ^2, where a is a constant. Find the electric field strength, E, both inside and outside the cylinder.
What functions must the communications stations perform? Repeat for ring and star.
What is the maximum power dissipated in the load when the Thévenin voltage is 17 V cos(37 rad/s t + 24°), the Thévenin impedance is 127 -j 182-ohm and the load impedance is 127 + j 182-ohm
Two data streams are coming serially to a system. These two streams are carefully observed and if considering any three bits from each stream, we observe that these two input streams are equal ; the FSM gives a signal to an alarm system.
Each single phase transformer has an identical number of turns in the primary and secondary windings. If a line-to-line voltage of 480V is applied on the wye windings, compute the line-to-line voltage on the delta windings.
Consider a PCM-TDM system in which 24 signals are to be processed. Each signal has a baseband bandwidth of 3 KHz. The sampling rate has to be 33.3% higher than the theoretical minimum, and 8 bits are to be used.
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