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The switch of given figure has been open for a long time. It is then closed at t = 0 s.
a. Write the mathematical expression for the current iL and the voltage vL after the switch is closed.
b. Sketch the waveform of iL and vL from initial value to the steady-state level.
Determine the trigonometric Fourier series representation for the signal f (t) = 2 -1/2
find the new internal emf Ei and the power angle Delta. c) While delivering the reduced line current of part b, the mechanical power input and the excitation are further adjusted so that the machine operates at unity power factor at tits terminals..
Each of the protons in a particle beam has a kinetic energy of 3.30 10-15 J. What is the magnitude of the electric field that will stop these protons in a distance of 1.05 m
The loose minute hand of a clock is spun hard. The coordinates (x,y) of the point where the tip of the hand comes to rest is noted. Z is defined as the sgn function of the product of x and y, where sgn(t) is 1 if t>0, 0 if t=0 and -1 if t
Determine a sinusoidal expression for the resultant v_R=v_1+v_2 by finding the horizontal and vertical components. Determine the resultant v_R=v_1-v_2 using horizontal and vertical components.
Suppose that the input voltage to an amplifier has a peak amplitude of 100mVand contains components with frequencies ranging from 1 to 10 kHz. We want the output voltage waveform to be nearly identical to that of the input except with larger ampli..
In 2005, 5.3% of the deaths in the United States were caused by chronic lower respiratory diseases (e.g.,asthma and emphysema). In Arizona, 6.2% of deaths were due to chronic lower respiratory diseases.27 Does this mean that living in Arizona exac..
How to achieve energy efficiency with the Balancing of single-phase loads ?
A single-phase half-wave rectifier is fed with a triangular signal with period 2 . The maximum positive and negative amplitudes are ± 12 V rms. determine: a) The value of the DC output voltage. b) The percentage of curly
question 1the iec 61131 standard sates the five iec 61131-3 languages. each of the five languages provides distinct
an fm transmitter delivers to a 50 ohm antenna a signal voltage of V(t)= 75sin(10^8 t+2 sin 10^3t) determine(a) carrier frequency (b) Intelligence frequency (c) modulation index (d) Total Power in FM signal
An AAC is composed of 37 strands, each having a diameter of 0.333cm. Calculate the DC resistance in ohms per km at 75oC. Assume that the increase in resistance due to spiralling is 2%.
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