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Part A) Two 1 kO resistors are connected in series. Each resistor has 10% tolerance, and the resistance values are statistically independent and uniformly distributed. Determine the probability that the total series resistance of the two resistors is less than 2.1 kO.
Part B) The number of database queries made during any interval of time is a Poisson random variable. On average, six queries are made every minute. Determine the probability that three or more queries will be made during an interval of 15 seconds.
Assume that theelectron velocity is zero at the cathode, the E-field is directedfrom the anode to the cathode with a magnitude of E =24/0.4[kV/m], and there is no magnetic field.
What are the major classes of UML diagrams or drawings. Five a one or two sentence description of the purpose of each type of drawing. What are the major elements that should be included in a dynamic model.
Draw a block diagram that shows the various stages required in a linear (conventional) power supply. Explain the purpose of each stage.
A 3-phase 230 V, 9 kVA, 0.9 PF (lagging) load is supplied by 10 kVA, 1330/230 V, 60 Hz three-phase transformer connected in Y-?. The equivalent impedance of transformer referred to the low-voltage side is 0.12 + j0.25.
After the numbers have been placed in A and B, and X is set to 0 or 1, a start signal (st) arrives thats sets the circuit in operation. After four shift pulses, the operation is completed and the circuit automatically shuts itself off.
The program is to input the number character-by-character and then assemble them together so that the original number is put into a floating point variable and displayed back to the monitor.
The circuit will have as inputs a minimum of two inputs; the binary equivalent of two decimal numbers of not greater than (10,000)10. The circuit will also produce a minimum of two outputs, the quotient and the remainder.
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor ..
A 1000 kg battery powered adiabatic electric vehicle has a fully charged battery containing 20.0 MJ of stored energy. If it requires 12.0 kW of power to keep it moving at a constant velocity on a horizontal road
A system is described by the differential equation ty'(t)-8y(t)=x(t). Classify the system as to linearity, time-invariance and stability. A system is described by the equation y(t)= \(\int_{t/3}^{-\infty}\)x( \(\lambda\)) d.
Determine the distribution of the number of customers waiting in the queue.
Suppose that a voltage given by v(t) = 45 sin(100pt- 70°) is applied to a 9 O resistance. Sketch v(t) to scale versus time (make sure to put the labels on graph). Find the rms value of the voltage.
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