1. Find the phasor form of the following functions. a. v(t)-1 55 cos(3771-25?)I, b. dt) =...
4.15. Use phasor techniques in the following. (a) Find 2 cos(100t - 459) – 3 cos (100t + 60°) (b) Find 50 sin(100t) + (d/dt) cos (100t - 30). Hint: Do not take the derivative in the time domain; replace it by jo in the frequency domain. (c) Use phasor techniques to evaluate the derivative the formula in the time domain and transform of i(t) = 20 sin(500t) at t = 2 ms. Hint: Write into the frequency domain, using...
ECE 320 - Fundamentals of Electrical Engineering, Test 2 3. (20) Find the phasor form of the following functions. 1. i(t) = 20 cos(10t +639) -15cos(10t – 429) A 2. v(t)=660 cos(500xt – 250)+110 sin(500nt +15°)V
(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 -...
Find the Laplace transform of each of the following functions. 1. $(t) = f*(4(t – 1)* sin(67) dt L{v(t)}(s) = b. g(t) = [ e 2-3(t-1) cos(71) dT L{$(t)}(s) = c. y(t) = e5(t-1) sin(97) cos(6(t – T)) dt L{s(t)}(s) =
9.45 Determine the phasor forms of the following instantaneous vector fields: (a) H =-10cos(10°t + /3)a 4cos(4y)cos(10t- 2x)a (b) E (c) D 5sin(10t /3)a - 8cos(104t /4)a, = 9.45 Determine the phasor forms of the following instantaneous vector fields: (a) H =-10cos(10°t + /3)a 4cos(4y)cos(10t- 2x)a (b) E (c) D 5sin(10t /3)a - 8cos(104t /4)a, =
9. Find the phasor equivalents of the following currents: (a) ii(t) = 10 cos(1000t + 30°) i2(t) = 5 cos(10000) + 5 sin(1000t).
#4: Complete the following: a) Convert to phasor form: A = 10 cos (s. 10 + /4) b) Convert to phasor form: B(1,1) = 32 sin (8710'+2.r --30°) ay c) Convert the phasor A. = 35337/4 to the exact time domain form A () = A, sin (wt + o), with w = 2 10% rad/sec. Since it is not defined, you must use the baseline assumption, A, = Re 4 d) Convert from phasor to a single cosine or...
Use the phasor technique to add the following sinusoidal functions. Put the final answer in the form V4(t) = A cos(wt + 8). vi(t) = 10 cos(wt + 10°) vz(t) = 5 sin(wt – 30°) vz(t) = 7 cos(wt)
If u(t) = sin(2t), cos(2t), t and v(t) = t, cos(2t), sin(2t) , use Formula 5 of this theorem to find d dt u(t) × v(t) .
how to do this problem with steps and show which is which. Problem : Find v(t) in the following integro-differential equations using the phasor approach: (a) v(t) +dt 10 cos (b) + 5D(t) + 4 u dt = 20 sin(4t + 10°)