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In given figure, e = 30 sin(377t + 20°).
a. What is the sinusoidal expression for the current?
b. Find the power loss in the circuit.
c. How long (in seconds) does it take the current to complete six cycles?
They melt when 3.9 × 104 J of heat is added to A and when 11 × 104 J is added to B. (a), (b) Determine the latent heat of fusion for the substance from which each object is made. (c) Find the heat required to melt object A when its mass is 7.4 kg.
A fluorescent tube fixture takes 1 ampere when connected to a 120-volt source. A wattmeter in the circuit reads 80 watts. What is the' operating power factor of this unit
what is the maximum tolerable value of λ?
A uniformly doped abrupt p-n junction (step junction) diode is fabricated. At room temperature 25% of the total space charge region (depletion region) is in the p region. The built in potential is also measured to be 0.710V.
Consider LTI system described by input-out relationship below y(t)=u(t) times integral(from minus infinity to t) (x(tau)) d(tau) a) Determine impulse response ,h(t), of the system without using Fourier and Laplace transform tools.
If you photocopy a document, and then make a photocopy of the photocopy, and then photocopy the already once photocopied copy, and then repeat this process for a while, what happens to the image quality
wo (2) 115 - V incandescent lamps A and B are connectedin series across a 230-V source. if lamp A is rated 75 watts andlamp B is rated 50 watts, determine the current drawn by the series connection.
The following samples of fish were taken of their weight, in grams, at a fishery before the young fish are restocked into Cane Creek Lake. From experience, we know that very few fish under 4 grams will survive.
Apply the classical Runge-Kutta method to solve the following initial value problem given y(0)=1 and the step size h=0.1. Verify solution using MATLAB. Plot the solutions obtained by using ode45 and dsolve. Compare the graphs and provide an explan..
A chopper controlled electric train is powered from a 1500 VDE supply. The power semi- conductor switch element has a minimum effectice ON time of 40 Ms. during starting and slow speed running, the output of the chopper has to go as low as 15 V.
At what frequency does an RC low pass filter attenuate by 6dB(output voltage equal to half the input voltage) What is the phase shift at that frequency
In the simulation, construct an arrangement of three charges in the shape of an equilateral triangle and find the net force on one of the charges. What happens as you move the charge between the other two charges?
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