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- Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?PHASE RELATIONSHIP SINUSOIDAL( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).A certain element has a phasor voltage of V = 200/30 V and current of I = 6Z120 A The angular frequency is 500 rad/s. Determine the nature of the element. The element is an inductance. • The element is a capacitance. The element is a resistance Previous Answers v Correct
- Ererrises: IA platinum oil has a resifance of 3-14k r at go°C and 3.747JV at 100°C.- Fin'd the resistance at o'C ond the kmp -creff. of resifonce af 40°C 2. A pofential difference of r5oV is apphed to a field wnding at 15°C and the currend is SA. What will be the mean fempouafure of the winiding when currend has falen to 3.91A, apphedvrltage being constant Aasume s =p7.5. 3. A cril has a resi fance of 182 when its mean femperature is 20°C and 20v when ik mean femperature s 50°C. Frid is mean femperature rise when ik resotonce is 21JL and the sorrandinig femperature is i5°C. A cril of a relay takes a curre of 0.12 A when it is at the vem insbi o al 4. A jemperature of is'C ond canneckerdacms a oV supply If the minimum operating current of the relay is 0.1 A, colculate the femperature above ohich the relay will fail to operate when connected ti the same supply. Resi tncenfemp.coefficrenf of the cril makria] is o.0043 per °C at 0°C.13. Susceptance and conductance add to form.A. Impedance.B. Inductance.C. Reactance.D. Admittance.Exeras: 1. Be rebistance of a sm length of oire is cön sr. Detia) the resitance of an8m longth of the same wire, b) the ength of the seme wine when the res tfonce is 4W s. 2. A Piece f re of crss-cfisndd area 2 muy go0 sr. Finid the rebutance of a wie of the some length and maferial if the crss secfional area s SMm. b). the crosss so area of the wire of the some length ond maeriol of resisfance soD2 3. A oril cons o turns of oopperwirehaving a cm-seton area of 0.8 mmn, The maan Lengtb perfurn is s0 čm anithe nosiãfivity of Cu s 0.02 um. Finh the resistonca of the coil ond pwer absorbed 4. An aluminum wire 7.5m. Lang is consacfed parallel writha copper 201ire de m larg. uhen a curent of rdix passd throngh the Cmibination, iř in fannl tht the curent the aluminung wire ik 3Aup The diamefer of the alumsinum wire is 1,0 mm. Defermane the diamefer of the copper wire. has rebi tance of by the cril when camecfed acm8 110V&c supply?
- 9. What will be the impedance of a LR-C circuit if it has a circuit current of 3A and a supply voltage of 120V? A. 45ohm B. 50 ohm C. 40 ohm D. 35 ohm 10. A pure inductance of 100mH is connected in parallel to a 25microfarad capacitor. The network is connected to a 200V, 60Hz supply. Determine the circuits current. A. 2A B. 3.42A C. 4A D. 10Aigtht Login .. ILUVEPDF ulg3l P.. Q/ Given the information provided in figure below, determine: RB Vcc 32.1 μΑ 32.5 KN Rg VCE = 7.3 V 2.1 V 20.42 K2 RB = 952.5 KO RB = 925.5 KO a RB = 592.5 KOThe resistance and inductance of a coil can be obtained by connecting the coil in series with a known resistance R and measuring the coil voltage Vcoil, the resistor voltage VR and the total voltage V. The frequency must also be known, but the phase angles of the voltages are not known. Given that f = 60Hz , R = 10 ohm Vcoil = 22.4 V. VR = 20 V and v = 36v , find the resistance and inductance of the coil.
- If the phasor current is 45 degrees ahead of the phasor voltage, write down all the possibilities about circuit impedance.7. A resistor that draws 12A, a 79.618mH inductor that draws 16A, a resistor of unknown value, and an inductor of unknown value are parallel connected to a 60HZ source. Total circuit current is 56.347A and circuit power factor is 78.088%. The inductors have negligible resistance. Find: A. Circuit voltage: B. Circuit impedance: C. Circuit apparent power: D. Circuit phase angle (indicate lead or lag): E. Value of the unknown inductor: F. Value of the unknown resistor: G Total true power: H. Total reactive power: I. Current drawn by the unknown inductor: J. Current drawn by the unknown resistor:Q2. For the circuit shown in figure (a), let the frequency is 1KHZ, and V1 = 20Vms, draw the following: 100uF C2 V1 1000UF R1 VSINE 2K A. Impedance diagram B. Voltages phasor diagram. C. Measure the voltage across R1, Vin, and the capacitors, C1, C2 us ng the oscillscope using PROTEUS software. D. Measure the current in the circuit using DMM E. From the above measurments verify your result.