4. v(t) = 750 cos (5000 t +30°) V (a) Find the peak value, the phase, the frequency, and the period (T) of v(t). (b) Find the phasor of v(t). (c) Find (d) Find 1 # v(t)dt 1 = [² v² (t)dt T
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- An Alternating voltage wave is given by V(wt)=(314t - 0.25)v find: 1- The Rms Vlaue 2-The Avrage Vlaue 3-The Perodic time 4-The instantaneous voltage when t=4 (ms) 5-The time when the voltage is first maximum Please solve the first and second requirements using the laws of integration1. A 70-Vac source has the following waveform. Determine: a. Vpk b. Vpk-pk Vrms h. equation of the waveform (in time domain) i. the instantaneous voltage when t = 120 ms j. the angle (1st occurrence) aftert = 0 when the C. voltage is +80 V k. the time (2nd occurrence) after t = 0 when the voltage is -10 V d. Period e. Frequency f. Angular Velocity g. Phase Angle 180 V -50 msA sinusoidal voltage has maximum amplitude of 90 V. The voltage passes through one complete cycle in 65 ms. (A) What is the frequency of the voltage in hertz. (Unit: Hz) Submit Answer Tries 0/3 (B) What is angular frequency. (Unit: rad/s) Submit Answer Tries 0/3 Submit All
- 3 An alternating voltage is given by v= 75 (sin_200nt - 0.25) volts. Find: (a) The amplitude (b) The peak-to-peak value (c) The rms value (d) The periodic timeQuèstion 5 Given V, = 20 sin(@t + 60°) and V, = 60 cos(wt – 10°). What is the phase angle between the waveforms? All tems to be expressed in cosine tems. 60 80 40 20Find the average power for each element in the given circuit. In the given circuit, Vm= 42.00z0° V. (Include a minus sign if necessary.) 4Ω j2 Vm -j2: 20/90° The power absorbed by the resistor is The power absorbed by the 42.0020° V source is The power absorbed by the 20290° V source is The power absorbed by the inductor is The power absorbed by the capacitor is W. W. W. W. W. (Round the final answer to three decimal places.)
- An alternating voltage is given by v = 200 sin(628.4t – 0.41) volts. Find the following: a) The peak value b) The r.m.s value c) The periodic time d) The frequency e) The phase angle (in degree)• What is the period of the following sinusoidal voltage signal v(t) = 229 cos (296t + 440 ) V?In a clean sheet of paper. Answer the following and upload your answers here. Please be sure that all answers were rounded off into two decimal places. All answers must be boxed as well, otherwise will be marked incorrect. Express these sinusoids as phasors" 1. v 7 cos (2t+40) 2. i 4 sin(10t + 10) Given the sinusoid, calculate its amplitude, phase. angluar frequency, period and frequency. 3.5 sin (4t-60°)
- 1. Define r.m.s. and average value as applied to ac voltage, prove that in pure inductive circuit, current lags behind applied voltage at an angle 90°. (Down waveform) 2. Find the ms value, average value, form factor and peak factor for the waveform shown in figure. (Nagpur University, Summer 2002) (Nagpur University, Winter 2003) i(t) Im T/2 T' 3t 7t 20 20 Im Fig. 11.66The instantaneous value of voltage in an a.c. circuit at any time t seconds is given by v = 100 sin (50 πt – 0.523) V. Find: The peak-to-peak voltage, the periodic time, the frequency and the phase angle The voltage when t = 0 The voltage when t = 8ms The times in the first cycle when the voltage is 60 V The times in the first cycle when the voltage is -40 V The first time when the voltage is a maximum3. Find: (a) Vp (b) VP-P (c) Frequency (d) Period (e) Angular Velocity (f) Phase angle (g) Equation of the waveform -210 V t I T I T I 10 ms T I I I I I I 440 V