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A load with a leading power factor of .9 draws 15A (rms) and 5kW from a 60 Hz source. Find the load impedance.
A series RLC circuit is at resonance. The resistor is 3.3 kO, the capacitor is 100 pF, and the inductor is 8 mH. What is the frequency
A long, thin, nonconducting plastic rod is bent into a circular loop that has a radius a. Between the ends of the rod a short gap of length l, where l<<a, remains. A positive charge of magnitu
Determine the transfer function of the second-order (2 poles) lowpass Butterworth filter with a 3-dB cutoff frequency of 5 kHz. Design it using the Sallen-Key lowpass filter configuration,
1. Design a synchronous Mod-10 up counter from 1st principles nusing K-MAPS. Use Diagram 1(insert answer book) and also draw the final counter in your book. 2. Draw a MOD-10(5-bit) Johnson counter us
A 2-MHz carrier is modulated by a music signal that has frequency components from 20 Hz to 8 kHz. Determine the range of frequencies generated for the upper and lower sidebands of AM signal.
A crystal with a simple cubic lattice and a monoatomic basis has an atomic radius of 2.5 angstrom and an atomic weight of 5.42. Calculate its density assuming that the atoms touch each other.
Given N-type silicon sample with uniform donor doping of (a) Nd= 1018/cm3 , (b) Nd= 1019/ cm3 and (c) Nd= 106/cm3, calculate the Fermi levels at room temperature assuming full ionization for all cas
The output voltage of a voltage amplifier has been found to decrease by 20% when a load resistance of 1 k ohm is connected. What is the value of the amplifier output resistance
If a unity gain (Avo=1) buffer amplifier with 1 M ohm input resistance and 10 ohm output resistance is interposed between source and load, what do the output voltage and power levels become. For the
An amplifier operating from a single 15-V supply provides a 12-V peak to peak sine wave signal to a 1-k ohm load and draws negligible input current from the signal source. The dc current drawn from
The resistance of 8 copper wire is 0.64 W per 1000 feet and with a certain type of insulation it can safely carry 40 A without overheating. If the wire is carrying the maximum current. How much powe
Electrons are moving from left to right through a conductor at the rate of twelve billion per second. a. A current variable I1 is defined with reference direction from left to right in this same con
a circuit consists of three elements in series. a source delivers 90 watts and one of the passive elements absorbs 20 watts. how much power does the third element absorb.
TWO programs, X and Y were executed in THREE different machines, C1, C2 and C3 with the following outcome of execution times in second respectively; 8, 5; 6, 4; 3, 7. Calculate and determine a) Rela
Because A - B = A + (-B), the subtraction of signed numbers can be accomplished by adding the complement. Subtract each of the following pairs of 5-bit binary numbers by adding the complement of the
The PCI bus found in many computers transmits 64 bits per clock cycle at 33MHz. How does the bandwidth of the PCI bus compare to the serial FireWire (IEEE 1394) serial bus specification, which is 40
Draw a digital circuit consisting of a 2-input AND gate and three inverters, where an inverter is connectedf to each of the AND gate's input and its output. For each of the four possible combination
(i) Draw a diagram of the loads. Determine: (ii) The apparent power (kVA), active power (kW) and reactive power (kVAr) of each of the three loads. (iii) The total apparent power kVA, total active powe
Write a C program that takes as input two lists of integers (in increasing order) and creates combines the numbers in third list of ordered numbers. The two input lists shall be read from separate t
A laser beam traveling through fog was obseved to have an intensity of 1w/m^2 at a distance of 2 meters and intensity of 0.2 w/m^2 at a distance of 3 meters. Knowing that the intensity of an Electro
One superhet, one homodyne, and one that downconverts to baseband receiver is operating in 700-750MHz. Pick a set of IF and LO frequencies, and identify any issues (images, spurs, LO harmonics in r
A standard test for the operation of an FM system is to examine the output spectrum when modulated by a standard test tone. You're examining an FM broadcast tx modded by a 1kHz tone.
Two long parallel wires A and B carry steady currents i a and i b , respectively, in the same direction . The distance between the wires is d. The wires exert forces on each other. Are the force
A copper wire of diameter 1.8mm carries a steady current i of 1.3A. What is the drift speed of the conduction electrons in the wire