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Introductory Circuit Analysis
- An inductive coil draws 20 A current and consumes 2 kW power from a 200 V, 50 Hz ac supply. Determine: (i) impedance in cartesian form and polar form (ii) power factor (iii) reactive and apparent powerarrow_forwardGiven the current i1(t) = 10 sin (20t), the corresponding phasor equivalent I1 is ?arrow_forwardb) Find the rms current flowing in an AC capacitive circuit when a 4μF capacitor is connected across a 880V, 60Hz supply.arrow_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_forwardAssume you are working on sinusoidal ac supply voltage which is in the form of 150 sin 220 t. So apply this voltage find out following parameters. Analyze the average value of voltage. Options: A)89.85volt B)90.75volt C)86.45volt D)95.55voltarrow_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_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_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_forwardIf the rms phasor voltage is given as V angle= 60-degree, then how v(t) can be written.arrow_forward
- A circuit has an ac voltage source and a resistor and capacitorconnected in series. There is no inductor. The ac voltage source hasvoltage amplitude 900 V and angular frequency v = 20.0 rad/s. Thevoltage amplitude across the capacitor is 500 V. The resistor has resistanceR = 300 Ω. Does the source voltage lag or lead the current?arrow_forwardGiven the system below, find the sinusoidal expression for the unknown current ?1 if i? = 30 × 10−6 sin(?? + 80°) and ?2 = 4 × 10−6 sin(?? − 50°).arrow_forwardFind the sinusoidal expression for the current iS for the system shown below: i1 = 6 mA sin(377t +180°) i2 = 8 mA sin (377t) i3 =2i2 A) iS=18 mA sin (377t) B) is = 16 mA sin (377t) C) is= 12.726 mA (sin 377t +20∘∘)arrow_forward
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning