We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
P.3 The voltage across the terminals of a circuit is: v(t) = 30+ 20 cos(1207t +45°)+10 cos(120nt - 459) V and the current entering the terminal is: i(t) = 6+4 cos(120wt +10°) - 2 cos(120ft -60°) A a) Calculate the RMS value of the voltage b) Calculate the RMS value of the current c) Calculate the average value of the power absorbed by the circuit
A modulated voltage signal is given as: s(t) = 10(1 + 0.5cos(10²πt)) cos(106πt) volts. a) Plot the spectrum of the signal and calculate its bandwidth. b) Calculate the total signal power in dbm. c) If the message signal is a single-tone signal, explain if this is an AM-DSB-SC or an AM-DSB-C signal. What is the modulation efficiency? d) The signal s(t) is passed through the following system. Find the output mout(t) as a function of time and its Fourier transform, Mout(f).
QUESTION 4 If voltage v = 10 cos(1000 + 30°) is applied to a 50 uF capacitor, what is the steady s current through the capacitor? 50 NF ... Je 10230° 100 (507153
8–31 A voltage vs(t) = 50 cos (5000t) V is applied to the circuit in Figure P8–31. (a) Convert the circuit into the phasor domain. (b) Find the phasor current flowing through the circuit and the phasor voltages across the inductor and the resistor. (c) Plot all three phasors from (b) on a phasor diagram. Describe if the current leads or lags the inductor voltage. i(t) 50 22 25 mH 00 + VL(t) - + Vr(t)- vs(t) (+) FIGURE P8-31
Example 1 The voltage across the load is v(t) = 60 cos(wt - 10°) V and the current through the element in the direction of I voltage drop is i(t) = 1.5 sin(wt + 50°) A. Find a) The complex and apparent powers b) The real and the reactive powers c) The power factor and the load impedance.
Consider the sinusoidal voltage v(t) = 48 cos(40t + 10°) V. Find the voltage v(t) at t= 10 ms. The voltage (t) at t= 10 ms is V and wt =
2) Given an AC voltage source v(t) i(t) 10v2 cos(2T60t +60°) A, determine the relationship ot their phase angles i(t) leads v(t) bydegree (write your solution between -180 and +180 degree). 120V2 cos(2π60t + 30°) V whose current output is 3) Given an AC voltage source v(t) 120v2 cos(2T60t+30°)V whose current output is i(t) = 10V2 cos(2 π60t + 345°) A, determine the relationship of their phase angles: t) lags vit) by degree (write your solution between-180 and 180 degree)
CLOSED OPEN Page 2 > of 6 ☺ Question 1: (a). The voltage vs(t)= 10 cos(10t +30°)V is applied to the inverting op amp as shown below. Using phasor, find (i) volt) 100 KS 2 (ii) v(t) 100 k92 20 k 2 M (iii) Zo (impedance) volt) Vs 20 k2 100 uFv 27 Zo 0 - FS 0 + F O FE F7 Home F8 BR F12 F10 F11 $ C ) % 5 * 00 3 - 7 9...
A sinusoidal voltage source of v(t) = 240√2sin( 2π50t + 30°) is applied to a non linear load, resulting in a non-sinusoidal current, which is expressed in Fourier series form as: i(t)=10√2sin(2π50t)+2√2sin(10π50t)+1√2sin(18π50t) Determine, a) the active power, reactive power and power factor. b) the distortion factor and distortion power. c) the total harmonic distortion of the load current. d) explain the power quality disturbance arise in this problem.
1. (i) In a circuit, the voltage is given by: Vs (t) 12 cos(50t10) V (a) What is the amplitude of the voltage? (b) What is the phase of the voltage? (c) What is the angular frequency (radians/sec.) of the voltage? (d) What is the frequency (in cycles/sec.) of the voltage? (e) Determine vs (t) at time t 2.5ms (ii) Given v1(t)cos(50t 50°) V and v2(t) 12 sin(50t 10°) V, determine the phase angle between the two sinusoids and determine...