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If the first inverter in the chain has an input capacitance of 20fF and the off chip load is 10 pF, how many inverters should be used to drive the load with the least delay Estimate the delay, expre
Consider the noise level table included in page 2 and thedesign equations included in pages 3 and 4 for circular and square membranes. Consider the radiusof the circular membranes limited to values
a single phase transformer has the following ratings: 10kVA,240/2400V. In the open circuit test with rated primary voltage(240V), the primary current is 0.85A and secondary voltage is2400V. A short
A 20-V-rms 60-Hz ac source is in series with an ideal diodeand a 100 Ω resistance. Determine the peak current and peak inverse voltage for the diode.
An infinitely long cylindrical shell extending between r = 1m and r= 3 m contains a uniform charge density ρv0 .Apply Gauss's law to find D in all regions.
A 1000KVA transformer is at full load with a 0.5 lagging powerfactor. If the line voltage is 500 volts at 60Hz. Find the New Volt-Ampere quanties needed to improve the power factor to 0.95 by adding
A 1000KVA transformer is at full load with a 0.5 laggingpower factor. If the line voltage is 500 volts at 60Hz. Find the following quanties needed to improve the power factor to 0.95 byadding capaci
A separately excited DC generator,when running at 1200 RPM, supplies 200A at 125V to a circuit ofconstant resistance. What will the current be when the speed is reduced to 1000 RPM if the field curr
A 75 kW, 8 pole star connected induction motor operates froma 415 V, 50 Hz supply and draws 140 A when supplying full load.Determine: 1. the synchronous speed Ns;
based upon the Norton thevenin equivalentcircuits (Method of short circuit through nodal analysis) When there is a short circuit present, any resistor in parallel will not have current running through
Voltage and current measurement taken for a 3- phase Wye- connected alternator indicate a line voltage of 208 V and a line current of 20 A. What is the value of the phase voltage and phase current
1- Describe how the MOSFET acts as a switch. What could bedone to make the MOSFET ON when the square wave is negative and OFF when the square is positive 2- How is the magnitude of the control volta
1- Name a few computer operating systems. 2- What is the full form for MS-DOS 3- What is the difference between a logical address and aphysical address
When the motor runs at 1710 rpm, the line currentdrawn from the supply is 78 A at 0.85 PF lagging. Given that,stator iron loss is 2kW, windage and friction losses are 1.2kW andresistance between two
a. calculate n and p using theexact solutions found above at T = 200K, 300K, 500K and 700K. b. calculate n and p using theapproximate solutions given in the lecture at T = 200K, 300K, 500K,and 700K. c
The rectifier outputvoltage ripple factor must not exceed 5%. In your design, assumethe voltage variation during discharging period is linear and theoutput voltage ripple frequency is twice the sour
An n-type semiconductor is known to have an electron concentration of 5 × 10 ^17 m-3 . If the electron drift velocity is 350 m/s in an electric field of 1000 V/m, calculate the conductivity of
The National Electrical Code specifies, among otherthings, values for the minimum allowable cross-sectional area ofconductors for a given voltage and allowable total length ofcircuits depending on t
A circuit is needed to divide a 10 Hz signal down to 1 Hz. using only a 7493 4 bit counter produce a logig diagram for both designs , hook the clock input to a 10 Hz clock on the logic designer and
A 230V, 25hp, shunt DC motor draws an armature current of 90Aat full rated load. The armature resistance is 0.2 ohms and theshunt field resistance is 216 ohms. Determine the rotational lossesand mot
A 600V, 150hp, DC series motor operates at it's full-ratedload at 600 RPM. The armature resistance is 0.12 ohms and the series field resistance is 0.04 ohms. The motor draws 200A at full load.
A shunt DC generator has a termianl voltage duringopen-circuit of 127V. When the machine is operating at rated load,the rated terminal voltage is 120V. Find the load current ifthe field resistance i
A separately excited DC generator,when running at 1200 RPM, supplies 200A at 125V to a circuit ofconstant resistance. What will the current be when the speed is dropped to 1000 RPM if the field curr
If the change in voltage is assumed to be linear between no-load and full-load kilowatts, calculate the kilo watt output of the generator when the terminal voltages are 240V and 235V.
Describe how I/O ports are accessed in system that uses Memory-Mapped I/O and how they are accessed in a system that uses Direct I/O. List the advantages and disadvantages of each type of port addre