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Two Gaussian random variables, X and Y, are independent. Their respective means are 5 and 3, and their respective variances are 1 and 2.
a. Write down expressions for their marginal pdfs.
b. Write down an expression for their joint pdf.
A d-c voltage Vo is applied att = 0 directly to the input terminals of a lossless air dielectric transmission line of length l. The line has a characteristice resistance Ro and is terminated in a load resistanceRL =2Ro.
If 100 meters of silver wire 2 mm in diameter required 8.1 watts when carrying 4 amps of current, calculate for silver the (a) resistivity, (b) mobility, (c) collision time, (d) mean free path, (e) Hall coefficient, and (f) the Hall field in a tra..
Write down the expression for the frequency-dependent open-loop gain of an operational amplifier. Sketch the magnitude of the open-loop gain of an operational amplifier as a function of frequency. Explain what is meant by a `single-lag' response o..
A permanent magnet commutator motor produces a torque of8 N. m with armature current = 10A. armature R=.16 ohms. if motordrives a load requiring torque of 20 N. m at speed = 1800rpm
A function must be defined or declared above the locations in the source code file from where it is called. We declare a function by writing a function declaration (which is a statement so it ends with a semicolon). Another term for function decla..
What are the types of motor Which motor is user in Car Engines which is the most efficient motor How much electricity is needed for single rotation of general motor
Design a 3rd order Butterworth High-Pass filter with a Fc of 2kHz and a passband gain of 2. Find the gain and critical frequencies of each individual stage. Plot the gain portion of the bode plot.
A T flip-flop has two operations: storing the previous value when T=0, toggling, i.e. complementing, its value when T=0. a) Tabulate the characteristic table b) Drive the characteristic equation. c) Tabulate the excitation table
Calculate the %age second harmonic distortion present in the amplifier's output for a sinusoidal input of 10 mV r.m.s.
Consider a system in which a data transfer over a bus takes 500 ns. Transfer of bus control in either direction, from processor to I/O device or vice versa, takes 250 ns. One of the I/O devices has a data transfer rate of 50 KB/s and employs DMA.
Suppose you are the supplier and can produce 20 units now but cannot start production on the second 20 units for two months. What price would you try to negotiate for the last 20 units?
Consider the parallel resonant circuit shown in Figure. Determine the L and C values, given R = 1 k Ω, f0 = 10MHz, and B = 500 kHz. If I = 10-3 ∠0°, draw a phasor diagram showing the currents through each of the elements in the circuit at resonanc..
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