What is the value of a sinusoidal voltage at 7 us (micro second) from the positive going zero crossing when V, = 15V and f = 50KHZ ?
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A: As per bartleby policy there are multiple questions so we have to solve only one question.
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- If a current 5.0 A lags the applied voltage 230 V by an angle ϕ, it can be resolved into two components, OA in phase with the voltage and OB lagging by 90°. If the phasor diagram in to a circuit possessing resistance and inductance in series, OA and OB must not be labelled and respectively. It has become the practice to say that the power factor is laggingwhen the current lags the supply voltage, and leading when the current leads the supply voltage. This means that the supply voltage is regarded as the reference quantity. (a) A 30 μ F capacitor is connected across the applied voltage, 50 Hz supply. Calculate the reactance of 30 μ F capacitor connected across applied voltage (b) the reactance of the capacitor; (c) the current.Give the solution for J and K ONLY ans (0.99959 degrees and 63.643 ms respectively).Read A 70-Vac source has the following waveform. Determine:a. Vpkb. Vpk-pkc. Vrmsd. Periode. Frequencyf. Angular Velocityg. Phase Angleh. equation of the waveform (in time domain)i. the instantaneous voltage when t = 120 msj. the angle (1st occurrence) after t = 0 when the voltage is +80 Vk. the time (2nd occurrence) after t = 0 when the voltage is –10 VAnswers:a. 98.9949 Vb. 197.9899 Vc. 70 Vd. 100 mse. 10 Hzf. 20π rad/secg. 125.0876°h. v(t) = 98.9949sin(20πt + 125.0876°)i. -29.0880 Vj. 0.99959°k. 63.643 msRead A 70-Vac source has the following waveform. Determine:a. Vpkb. Vpk-pkc. Vrmsd. Periode. Frequencyf. Angular Velocityg. Phase Angleh. equation of the waveform (in time domain)i. the instantaneous voltage when t = 120 msj. the angle (1st occurrence) after t = 0 when the voltage is +80 Vk. the time (2nd occurrence) after t = 0 when the voltage is –10 VAnswers:a. 98.9949 Vb. 197.9899 Vc. 70 Vd. 100 mse. 10 Hzf. 20π rad/secg. 125.0876°h. v(t) = 98.9949sin(20πt + 125.0876°)i. -29.0880 Vj. 0.99959°k. 63.643 ms Give the solution for J and K ONLY ans (0.99959 degrees and 63.643 ms respectively)
- Determine the time-domain expressions for the line-to-line voltages vAB, vBC, and vCA. Please report your answer so the magnitude is positive and all angles are in the range of negative 180 degrees to positive 180 degreesThe frequency of the sinusoidal voltage sourcein the circuit is adjusted until ig is in phase with vg.1. What is the value of ω in radians per second?2. If vg=15 cosωt V (where ω is the frequency found in [a]), what isthe steady-state expression for ig?1. A 70-Vac source has the following waveform. Determine: a. Vpkb. Vpk-pkc. Vrmsd. Periode. Frequencyf. Angular Velocityg. Phase Angle h. equation of the waveform (in time domain)i. the instantaneous voltage when t = 120 msj. the angle (1st occurrence) after t = 0 when the voltage is +80 Vk. the time (2nd occurrence) after t = 0 when the voltage is –10 VAnswers:a. 98.9949 Vb. 197.9899 Vc. 70 Vd. 100 mse. 10 Hzf. 20π rad/secg. 54.9124°h. v(t) = 98.9949sin(20πt - 54.9124°)i. 29.0880 Vj. 108.8253°k. 66.8639 msGive the solution for K ONLY Ans: 66.8639 ms
- Calculate the R value in ohms, since the 13kHz frequency sinusoidal sign is observed at the output of the circuit in the picture. (C=10nF)Solve for the Vrms (magnitude only) across the capacitive reactance if R2 = 1000 ohms and Xc = 2363 ohms.Two sinusoidal voltages of the same frequency have rms values of 8 V and 3 V. What is the smallest rms value that the sum of these voltages could have? The largest? Justify your answers.
- A 400 Hz sinusoidal voltage with a maximum amplitude of 100 Vat t=0 is applied across the terminals of an inductor. The maximumamplitude of the steady-state current in the inductor is 20 A.1. What is the frequency of the inductor current?2. If the phase angle of the voltage is zero, what is the phase angle ofthe current?3. What is the inductive reactance of the inductor?4. What is the inductance of the inductor in millihenrys?5. What is the impedance of the inductor?Consider the following sinusoidal plot of the instantaneous voltage of an inductor as a function of time.What is its root-mean-square voltage?Given the applied signal and network below: a.) Determine the sinusoidal expressions for ?1 and ?2 b.) Find the sinusoidal expression is by combining the two parallel capacitors.