Considera voltage v1 = 25005101) V. Which of the following fully characterizes the signal 2 marks]...
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. (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...
Problem 2. Consider the sinusoidal voltage given by v(t) = 25 cos(400nt + 60°) V. a. What is the maximum amplitude of the voltage? b. What is the frequency in hertz? c. What is the frequency in radians per seconds? d. What is the phase angle in radians? e. What is the phase angle in degrees? f. What is the period in milliseconds? g. What is the first time after t=0 that v=0?
In the circuit below, the input voltage is Vin-Vinegakcos(wt), R-20 ΚΩandC15nFw l. in al Show that the output voltage is VotVcos (wt-), where V-V n peak/V1 + (RC) b) Show that this result justifies calling this circuit a high-pass filter+ c) Find an expression for the phase constant δ in terms of R,C and d) At what frequency is Vi (1/V2) Vin peak? That particular frequency is known as the 3dB frequency, or f3dB, of the circuit In the circuit...
Problem 5. For the sinusoidal voltage signal given by: v(t) = Vmcos(wt+o)V (-0.333,6) - (-1.333,0) (0.667,0) (2.667,0) (1.667,-6) a) Maximum Amplitude of v(t)= Vm b) Time period: T c) Frequency: f d) Angular frequency : 0
1. A resistor R and capacitor care connected in series with an AC voltage source with frequency f and maximum voltage Vo. a. Find the complex impedance (in the form Z = R + jX). If the impedance is written in polar form (Z = Zejº), find expressions for Z and Ⓡ. Write your answers in terms of the variables R, C, and o(= 21f). b. If the voltage source is described by the phasor V = V, ejwt, and...
- Calculate the magnitude of the voltage V2 in the following circuit E-21 V 12 a- 14V b. -14 V C. 28 V 7- A sinusoidal signal has a period of 40 ms. What is its frequency? a. 50k㎐b, 25 kHz C.50 ㎐ ④25㎐ 8- The voltage across a component is measured as 80 V r.m.s. and current through it is 4 A r.m.s. If the current leads the voltage by 2 what is the apparent power in the component?...
4. Consider a sinusoidal voltage signal of the form: v(t)=10sin(2(pi)1000t) Determine: a. average value of v(t) b. maximum value of v(t) c. minimum value of v(t) d. RMS (root mean square) value of v(t) Now assume that this signal is driving a 25Ω load. Determine: e. average power dissipated in the load f. maximum instantaneous power dissipated in the load g. Minimum instantaneous power dissipated in the load Also, provide: h. Frequency in Hz i. Period, in ms j. frequency...
oscilloscope controls are set for 2 V/div and 500μ S/div a. What is the max voltage of the signal? b. What is the min voltage of the signal? c. What is the period of the signal? d. What is the peak-peak voltage? e. What is the RMS voltage of the signal? f. What is the frequency of the signal?
2. A resistor R and inductor L are connected in series with an AC voltage source with frequency fand maximum voltage Vo. a. Find the complex impedance (in the form Z = R + jX). If the impedance is written in polar form (Z = Zejo), find expressions for Z and Ø. Write your answers in terms of the variables R, L, and o(= 21f). b. If the voltage source is described by the phasor V = Voejut, and the...