Acos 2t V R www m v (t) B sin 2t V For the circuit shown above, what is the amplitude of the sinusoidal steady-state expression for vo? Assume that A = 75, B = 14, R = 1 Ohms, L = 24 Henry, and C = 1.0 Farad.
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- Date Pags 2) A sinusoidal alteznating voltage has value of 200V and 50 Hz It cEOSses an EoMo S. a fzequency of the zeso axi in a pasitive disection when t=0. Detezmine ņ the Aime when voltage fizst teaches the instan Zenemus value of 200 V and 2) the whe time when Valtage madei mum. after passing throag its positive ualu e eeashes the value Of 141.4V.For a series RLC circuit with a sinusoidal input voltage, the amplitude of the current passing through the circuit (I, in mA) is plotted as a function of frequency for two cases: Curve 1 with R1, L1. and Curve 2 with R2. L2 as shown in the next figure. The value of the capacitor used in the circuits is C=0.01 micro Farads. If the value of R2 =1600 Ohm then the input voltage (in volts) is: 7.5 25 110 Frequency H2 O a. 4 O b. 16 sin(9888 t) O c. 8 O d. 8 cos(6.28 f t) O e. 8 sin (6.28 R t)An electrical circuit with a sinusoidal voltage source, a resistor, and a capacitor all connected in series. The voltage across the capacitor: Select one: a. Leads the current in the capacitor by exactly 90o b. Is in phase with the sinusoidal voltage source c. Is in phase with the voltage across the resistor d. Leads the current in the circuit by 90o e. Lags the current in the circuit by 90o
- Answer the following with illustration and solution. 1.) A circuit consisting of a resistor of 5kohms in series with a capacitor of 10 nanofarad is connected across a 16v sinusoidal supply. Calculate the output voltage at a frequency of 60Hz and again at frequency of 120Hz. This is the example/guide that might help.A capacitor "C", an inductor "L" and a switch "S" are connected in series. When the switch is open, the plate to the left of the capacitor has charge "Qo". The switch is closed the load and current vary sinusoidally with time. Represent graphically the load "Qo" and the intensity of current "I" as a function of time "t", and explain why the current leads the load by a phase difference of 90°.C1 L1 R1 V1 Vout V1 contains the fundamental and its harmonics (fo, 2fo, 3fo, ...). The amplitude of the harmonics is inversely proportional to the harmonic number. V(fo) = 10 mV V(2fo) = 10mv/2 = 5 mV V(3fo) = 10mv/3 = 3.33 mV V(4fo) = 10mv/4 = 2.55 mV a) What is the minimum value of Q for the circuit that will attenuate the third harmonic (3fo) in Vout to be less than 1% of the fundamental? b) What is the amplitude of the fifth harmonic (5fo) as a percentage of the fundamental?
- A sinusoidal voltage is zero and increasing at t= -1.2ms. The next zero crossing occurs at t= 5.6ms. Calculate the Period T and Frequency f.7 Find the average and effective values of voltage for sinusoidal waveform shown in Figure. Vm = 100 V 2x x14 9714 [Ans: 27.17 V, 47. 67 V]An inductor, a capacitor, and a resistor are connected in parallel with a function generator. The inductor draws 100mA RMS, the capacitor draws 150mA RMS, and the resistor draws 200mA RMS. Find the magnitude of the total current.
- Given a capacitive load absorbing 5 kW with a power factor of 0.85. The source connected to this load is an AC voltage supply with 120V RMS at a frequency of 50 Hz. Please find; A) Peak current (m) and RMS Current (ms) Values B) Draw peak voltage and current phasors on phasor diagram with everything labelled C) Find the value of an inductor that when connected in parallel will improve the power factor to 0.95.6. a sinusoidal current is in phase with the voltage. It has an active power of 50VARS and reactive power of 10VARS. what is its apparent power? A. 71 VARS B. 41 VARS C. 51 VARS D. 61 VARS 7. An RLC series circuit has a resistance of 250ohms, 25microFarad capacitance and 57mH inductance. determine its impedance considering the circuit is at resonance condition. A. 150 ohm B. 230ohm C. 250 ohm D. 300 ohmA sinusoidal 50 Hz voltage of 200 V (rms) supplies the following three circuits which are in parallel: (a) a coil of inductance 0.03 H and resistance of 3 ohms, (b) a capacitor of 400 microFarad in series witha resistance of 100 ohms and (c) a coil of inductance 0.02 H and resistance 7 ohms in series with a 300 microFarad capacitor. Find the total current supplied?