Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A point charge is placed at the origin of the spherical system of coordinates. a) Calculate the total energy stored in the space between R=a and R=b (b>a); b) What is the energy stored between R=b
A wire is bent in the form of a half loop of radius a = 10 mm and charged with a line charge density XL = 10-9 C/m. Calculate the field intensity at center of the loop.
For x(t) --> Linear System --> y(t), x(t) = u(t)-u(t-1) and h(t) = 2e^-t*u(t) Sketch x(t) and h(t) Write down the generic form of the convolution integral Calculate y(t) for t<0, 0<
An eight-point real-valued signal s has DFT given by S = [ 3 x1 4 -4+3j -2 x2 x3 1-2j ] A. Compute s[0] - s[1] + s[2] - s[3] + s[4] - s[5] + s[6] - s[7] using one entry of X only. B. Determine the val
Consider the signal s = [ 1 4 6 7 -2 3] A. Determine the least-squares approximation s^ of based on v(1), v(2), and v(5). B. Compute the squared approximation error ||s^ - s||^2. C. Show that s^ = s w
A distribution transformer is used to supply a household. below. The load consists of eight 100-W bulbs, a 350-W TV, and a 15-kW kitchen range. If the secondary side of the transformer has 72 turns
The no-load voltage of a Y-connected synchronous generator is 3646V. When the generator delivers the rated load of 432kW at 0.8pf lagging, the terminal voltage is 3117.69V. If the armature winding r
A 150kVA, 2080/208V, 60Hz, Y/Y connected, three-phase, step-down transformer consists of three identical single-phase transformers. Each transformer has the following parameter values: Rl = 0.45-ohm
You have two biased coins. Coin A comes up heads with probability 1/4. Coin B comes up heads with probability 3/4. However, you are not sure which is which so you flip each coin once where the first
A 3 phase, 208V, 4 pole, 60Hz, Y connected synchronous generator has a synchronous reactance of 8 ohm. Assume the resistance of this generator is negligible. The machine terminal voltage is maintai
A sequential circuit has two JK flip-flops and , one input , and one output . The flip-flop input equations and circuit output equation are: Ja=Bx Ka=x' jb=A'x Kb=A+Bx; Y =Ax'+Bx'
Suppose a constant force of kinetic friction acts between the block and the surface, with k = 0.53. If the speed of the block at the moment it collides with the spring is vA = 1.4 m/s, what is the
The Bandwidth of a broadband signal is 6 MHz and it's maximum frequency is 106Mhz. What is the most likely carrier frequency. WHich of the follwing is not a fundamental characteristics determines the
This bar is made of AISI 1006 cold-drawn steel and is loaded by the forces F=0.55 kN and T=25.N.m. Use both the maximum-shear theory and the distortion-energy theory to design the bar diameter D.
For a unity feedback system with forward path transfer function (Open-loop transfer function) as follows G(s) = 5000/ s(s + 75) derive closed-loop transfer function
Consider an angle-modulated signal xc(t) = 10 cos{(10^8)pi t + 5sin 2pi(10^3)t}. Find the maximum phase deviation. Find the maximum frequency deviation.
An alarm is powered by 120 VAC, and the on/off state of the alarm is controlled by an EM relay. Design the interface between a computer output port and the EM relay. The dropout voltage is 3.5 V, an
Find the electric potential at point (0,0,z) resulting from a surface charge density ps existing on the z=0 plane from p = a to p = b. Assume V = 0 at an infinite point distance from the origin.
For the three transistor configurations namely, the common-eitter, the common-collector, and the common-base, compare the voltage gain and the current gain for each configuration.
Consider a 32-bit data bus in a chip. Assume each bit has P0 = 0.2 and P1 = 1 P0 = 0.8 and all the 32 bits are statistically independent from each other. Estimate the power saving when we use
Discuss the advantages of transforming time-domain circuits into the corresponding frequency domain. How does this change the way circuits are analyzed
Discuss why phasor analysis can only be performed on single-frequency circuits. For multiple frequencies what type of analysis must be performed
A synchronous generator is rated 1,300 MVA, 22,000 volt, three phase, 3600 rpm, 60 Hz with a synchronous reactance of 0.35 ohms per phase. The machine is delivering rated output at rated voltage an
A positive sequence three phase source has Van(t)= 200cos(wt+120) V. Find time domain expressions for vbn(t), Vcn(t), Vab(t), Vbc(t), and Vca(t).
Design a signal conditioning circuit for a K-type thermocouple, which produces output voltage of 0V-5V using a three terminal solid-state temperature sensor for reference junction compensation. The