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In a particular technology, a small BJT operating at vBE = 28VT conducts a collector current of 100µA. What is the corresponding saturation current? For a transistor in the same technology but with an emitter junction that is 32 times larger, what is the saturationcurrent? What current will this (second) transistor conduct at vBE = 28VT ? What is the base-emitter voltage of the latter transistor at iC = 1 mA? Assume active-mode operation in all cases.
Develop a voltage-to-current converter that satisfies the requirement I = 0.0021Vm. If the op amp saturation voltage is ±12 V and the maximum current delivery is 5 mA, find the maximum load resistance.
A body attached to earth ground by an electrical conductor is at zero electrical potential. A charge of 25 C is added to the body. What is the potential of the body now. Explain.
(1) How much power is dissipated by a 2.4 k resistor in series with a 12V power supply (2) Determine the result of dividing the squares of 12V by 3.3 k ohms.
Find the induced emf as a function of time, for a square wire loop of side length 3m, in the x-y plane with one corner at the origin, due to a changing magnetic flux density B =5xycos(10t)z ˆ Wb/m2
A three phase Y-connected induction motor operates at 220 volts, has a power factor of 75% and an efficiency of 84% when delivering 8HP. a) what is the current in any one of the phase windings
Write a declaration for a two-dimensional array named temperature reads. (For simplicity, assume that a month has 30 days.) The rows of the array should represent days of the month; the columns should represent hours of the day.
How the cell potential has been affected in the NH3 or Na2S had been added to the 1M CuSO4 solution instead of the 0.001M CuSO4 solution of the cell? Explain.
A large number, n, of closely spaced turns of fine wire are wound in a single layer upon the surface of a plastic sphere of radius, R, with the planes of each turn perpendicular to the axis of the sphere and completely covering its surface.
A single-phase source is connected to an electric load. The load draws a 0.6 oer-unit current at 1.10 per-unit voltage while taking real power of 0.5 per-unit at a lagging power factor. Choose a base voltage of 12.47KV and a current of 100A.
a parallel plate transmission line is made up of perfect conductors of width w = .2m and d = .01m. The medium between the plates is a diaelectric of epsilon = 2.25*(epsilon not) and mu = mu not. For a uniform plane wave propagating down the line
What is the data rate of a digital electrical communication system that uses 16 voltage levels to carry multiple bits with one voltage level, where each voltage level is kept at that level for a duration of 2 ms
The normalized lowpass filter with a cutoff frequency of 1 rad/sec is given as Hp(s) 1/s+1. Use Hp(s) and the BLT to obtain an corresponding IIR digital high passs filter with a cutoff of 30 Hz, assuming a sampling rate of 200 hz,
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