a) Calculate the impedance ZA and impedance XL of inductor in polar form. (6 marks) b) Calculate the inductor current IL in time domain. (4 marks)
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Blender Impedance A blender that is actively blending is modelled as a resistor in series with an inductor. Its motor windings and electromechanical parts combined form an inductor of 35 millihenries and the a resistance of 7.2 ohms. It is connected to a standard United Kingdom household socket, with voltage 240V RMS and frequency 50Hz. a) What is the device's impedance (at 50Hz)? b) What is the RMS phasor current draw (in polar form, angle in degrees)
Calculate the impedance (polar form) of qn ac circuit consisting of a 680 S2 resistor, 200 mH inductor, and a 0.1 uF capacitor in series at a frequency of 400 Hz. (Jackson Prob 21-23a Page 534)
For the given circuit, a. Find the total admittance and impedance in polar form. b. Find the voltage E and currents I_r.I_L., and I_C in phasor form. c. Find the average power delivered to the circuit. d. Find the power factor and indicate if is leading or lagging. e. Find the time domain expressions for the currents and voltage. The total load on a 208 V, 60 Hz supply is 6 KW resistive, 10 kV AR inductive, and 4 kVAR...
Review Part A. Find the relationship between the phasor voltage and phasor current for a resistance The resistor shown here has been transformed into the phasor domain: Ik 4k Suppose that the phasor current is given by IR = 752120 mA. Find the phasor voltage VR. Enter a complex number in polar form, with phase angle in degrees. View Available Hint(s) 3002120 V Submit Previous Answers Correct Part B - Draw the phasor diagram of the resistance from Part A...
SC 9) (5 marks) Figure 9 represents a simple circuit in the time domain. The impedance of a capacitor in the complex frequency domain is Z = 1 and for an inductor Z = sl. If the complex frequency describing the circuit in Fig. 9 is s = -150 +j100 s-1, determine the time domain voltage vs(t) (provided by the source) which corresponds to a frequency-domain voltage V2 = 52-250 V. i(t) 21 12 + V1 + Vs 100 mH...
10. Derive and state the conditions for the impedance matching circuit on load side (V,) of Figure 2 (6 marks) Z3 Za V1V2 Figure 2
10. Derive and state the conditions for the impedance matching circuit on load side (V,) of Figure 2 (6 marks) Z3 Za V1V2 Figure 2
4. 12 pt] Combine all the R, L, C component into a single impedance (i.e. equivalent impedance), then apply Ohm's law in Phasor domain to calculate the current. Express your answer in the time domain i(t). itt)-? 820 100pF 50Hz 33mH 100mH 100?
2. Vs is 200 cos(1 0000 v. 15 ohm 1mH a) Calculate the impedance of the self inductance of Ll and L2. Gpts) b) Ifthe mutual inductance is M-0.5mli, what is the coupling c) Find phasor coefficient of k? Opts) current I1 and phasor current 12. Also express them in time domain. (Spts)
Question 4 (a) The input impedance of a lossless air-core transmission line with characteristic impedance Ro. phase constant B and length I terminated in an impedance Z, is given by R,+Z, tan( i. Determine the length of an open circuit 50Ω line required to create a 0.1 nH inductor at a frequency of 10 GHz. (6 marks) ii. Determine the input impedance of the line in part () if the open circuit is changed to a short circuit. (3 marks)...
Question 1 : For the circuit below if Vs = 220cos(100t) v L1 2 mH Vs C1 R1 15002 0.25 mF a. Find: The Impedances ZR1 ,ZL1, Zci in phasors b. Calculate the input impedance Zin(jw) Calculate the input current in phasor and time domain expressions c. d. Calculate the current of the inductor Ili in phasor and time domain expressions?