
Problem 1 What is the correct phasor notation of the following voltage wave: Ug(t) =-220 sin(...
Put the voltage source into phasor notation and the current
source into time-domain signal.
V(t) = 20 · cos(10t + 30°) am' 05-06 -- I = 40 Z50° 0 = 100 rad/s i(t) =
Physics of waves
Problem 9 Consider a voltage wave of the form V Vocos (w t -k2) that is incident on a short circuit a located at coordinate 0. A) Find the form of the reflected wave, V B) Show that the total wave in the line (the sum of the incident and reflected waves) can be written in the standing wave form, V V V 2Vo sin (kz) sin (wt) C) Is there a voltage node or antinode at...
(a) Write the relationship between the instantaneous time voltage i(t) = 1, cos(wt+p) and its phasor transform I. Write phasor transforms of the following voltages and currents. All answers should be in the form of AZB where A is a positive number A 20 and B is given in degrees over the range of -180° <B S 180°. Make sure that you include the units. Show all work to receive partial credit. (6) v(t) = VŽ cos(7t + 1/4 -...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
Review Part A. Find the relationship between the phasor voltage and phasor current for a resistance The resistor shown here has been transformed into the phasor domain: Ik 4k Suppose that the phasor current is given by IR = 752120 mA. Find the phasor voltage VR. Enter a complex number in polar form, with phase angle in degrees. View Available Hint(s) 3002120 V Submit Previous Answers Correct Part B - Draw the phasor diagram of the resistance from Part A...
2. complex numbers a voltage v(t) is given: v(t)=v1(t)+v2(t)=1 V sin( omega t -45) – 2 V cos(omega t-60) a)convert the voltages to phasors and sketch a phasor diagram of V1,V2 and V b)reduce the expression of v(t) to the form v(t)=Vm cos(omega*t + fi(its angle)) do u see normaly 3 exercise _? Problem 4. laplace transform of discontinuous function for the function illustrated a) sketch f'(t) b)find la place transform of f'(t)
(1) The voltage of an electromagnetic wave traveling on a transmission line is given by V(z,t)=5e" sin(41 X10't – 5772 +) a) Find the frequency, wavelength, and phase velocity of the wave. b) At z=2 m, the amplitude was measured to be 3 V. Find a. c) What is the amplitude of the wave measured at 10 m? d) Give V (z) and (z)].
Problem: (1) For the single phase AC circuit shown below, calculate voltage phasor across the load showing amplitude and phase angle for a (reference) source voltage of 220 V and 0 degree. Also, attach your MultiSIM simulation showing the voltage amplitude across the load. Compare simulated and calculated values. Load Bus of an Industrial Facility (equivalent of Electrical Motors and power factor correction Cap in parallel). R1 L1 Vload-? 1 3.0ohm 2 10mH 3 4.7mH 4 20ohm R2 +220V, 60...
What is the phase relationship between the voltage v(t) = 65 sin(or - 45') and current i(t) = 20 sin( +90°)? i(t) lags v(t) by 0 = (note: 0 is a positive or negative angle in degrees)
A current i(t) = 220 sin (20pi t) mA is applied to a capacitor of C = 20000/pi mu F, as shown in the figure below: a) Knowing that i(t) = C dv/dt, integrate both sides of the equation to determine the voltage v(t). You may assume that the initial voltage is v(0) = 0.55 Volts. b) Plot one cycle of the voltage v(f) found in part a) and clearly indicate the amplitude, frequency, and period on the plot. Also,...