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The current through a 20
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Introductory Circuit Analysis
- find the phase, frequency, amplitude, period of the sinusoid v(t) = 10sin(377t +45°). Graphically sketch the position of the sinusoidarrow_forward1. solve equation of the sinusoidal signal v(t) from the information, where v(t) = Vp sin ωt. Vp-p = 6 div Oscilloscope setting: horizontal = 0.5 ms/div 1 cycle = 8 div vertical amplitude = 0.5 volt/div 2. 1 cycle of 2 sinusoidal signals displayed with 10 kHz on the oscilloscope screen. If the two signals have a difference time with 20µs, what the value of phase shift between two signals/waveforms displayed on the scope screen? 3. It is possible for a circuit made up of a resistor, an inductor, and a capacitor (connected in series or parallel) to behave like a purely resistive circuit. Explain why.arrow_forwardA sinusoidal voltage v(t) has an rms value of 20 V, has a period of 100 μs, and reaches a positive peak at t=20 μs. Write an expression for v(t).arrow_forward
- determine the inductive reactance of rlc series ac circuit given the ff: rms current=7.5A voltage=5V resistance=150ohms capacitive resitance=160ohm source average power=2.5Warrow_forwardGiven the current i1(t) = 10 sin (20t), the corresponding phasor equivalent I1 is ?arrow_forwardA resistor'R' with resistance value of 24 ohm, an inductor 'L' with inductance 20mH, and a capacitor 'C' with capacitance 50 micro Farrad are connected in series with a AC voltage v(t) where v(t) = 50 cos (2 vt + 30 degrees) v. Determine the current i(t) and total impedance if the frequency f is i. 60 Hz ii. 400Hzarrow_forward
- For the circuit shown below, if E =30 sin(377t + 20°) what is the sinusoidal expression for the current?: A)i =7.07 sin(377t + 20°) B)i =10 sin(377t - 20°) C)i =10 sin(377t + 20°)arrow_forwardThe following circuit is powered by a polyharmonic voltage whose expression is: v(t) = 100+141.sin (1000t) + 70.7.sin (2000t) V. It is requested: a) The expression of the instantaneous current.b) Plot the amplitude and phase spectra of the voltage and current.c) The values of the apparent, active, reactive and distortion powers, justifying the resultsarrow_forwardUsing the phase shift of 72º from the Experiment, determine the inductance value, L, of the inductor shown. Vr(t) =3.7272 cos(4000 t - 72°) [V]arrow_forward
- A capacitor and a 30-ohm resistor are connected in series. What is the equation of the resulting current if that capacitor has a capacitance of 80 microfarads and the combination is placed across a power supply whose equation is e = 325 sin (314t)? a.) i(t) = 6.52 sin (314t - 53°) b.) i(t) = 6.52 sin (314t + 53°) c.) i(t) = 6.53 sin (314t + 52°) d.) i(t) = 6.53 sin (314t - 52°)arrow_forwardA 50 Hz, alternating voltage of 150 V (rms) is applied independently to (a) Resistance of 10 Ω, (b) Inductance of 0.2 H, (c) Capacitance of 50 μF. Find the expression for the instantaneous current in each case. Draw the phasor diagram in each case.arrow_forwardA 40 Ω resistor and a 50 μ F capacitor are connected in series and supplied with analternating voltage v = 283 sin 314 t. The supply is switched on at the instant when the voltageis zero. Determine the expression for the instantaneous current at time t.arrow_forward
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