Three identical coils, each of resistor 8ohm and inductor 15ohm are connected in star to a phase voltage of 210V, 50 Hz, 3-phase supply. Determine the total power dissipated . Select one: a. 3.66KW b. 4.8KW O c. None of these O d. 2.4KW
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- For figure (1)draw and calculate the voltages waveform across each half of secondary winding and across load when 100sin2π60t applied across the primary, then find PIV.A2 KO resistor and 30 mH inductor are connected in series, across a 120 V A.C power source oscillating at 60 Hz frequency .Calculate i) The current in the circuit i) The voltage drop across the resistor & inductor ii) The power dissipated in the circuit. iv) The apparent power & reactive power in the circuit. v) Draw the phasor diagram.If a circuit has a resistance of 3002 and a series inductance of 5002, what is the relationship between the applied circuit voltage and the circuit current? The applied voltage lags the circuit current. The phase shift between the circuit voltage and current changes with time. The applied voltage is in phase with the circuit current. The applied voltage leads the circuit cur Previous Page Next Page Page 2 of 10
- Lesson: Alternating Current System A series connection of a 30-ohm resistor and a 100-mH inductor is connected across 240-V, 60-Hz supply. What will be the resulting equation of the current?Determine the DC currents (la. lc and I) and dc junction voltages (Var Ver and Vca) la-Blank 1 mA, le-Blank 2 mA, I-Blank 3 mA, Var Blank 4 V, Vcr Blank 5 V and VcB - Blank 6 V Use 2 decimal places. Use the following values. VBB= 3V RB= 5kOhms Rc=232 ohms Vcc =18 V BDC=65Determine the DC currents (IB, Ic and lĘ) and dc junction voltages (VBE, VCE and VCB) Ig=Blank 1 mA, Ic=Blank 2 mA, IĘ=Blank 3 mA, VBE= Blank 4 V, VCE = Blank 5 V and VCB = Blank 6 V Use 2 decimal places. Use the following values: VBB = 2V RB = 7 kQ Rc = 248 Q Vcc = 19 V BDc = 56 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer Blank 6 Add your answer
- Please show you detailed solution Number 10 A voltage of 250 volts at 50 Hz is impressed on a circuit having a 60-ohm resistor, 35-?F capacitor, and a 0.25-henry inductor in series. Determine power factor. A. 0.979 C. 0.924 B. 0.862 D. 0.707A 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of 158 volts, 50 Hz supplies the combination. Determine the following: a. Circulating current b. Voltage across the resistor c. Voltage across the capacitor57. An RLC series circuit connected to a 110-volt and 50-cycle AC source, contains the following series resistances and reactances: R1=10 ohm, R2= 15, XL1=20 ohms, XL2=25 ohms, XC= 40 ohms. Find the following a. Total inductance in millihenry b. total current c. reactive power
- 1. A load of 50 ohms resistance and 0.4 H inductance are connected in series to 100 volts, 60 hz a-c source. What must be the value of the capacitance to be connected in parallel to the circuit to raise the power factor to 0.96 lagging. Draw the circuit diagram.A series circuit consisting of 10 ohm resistance and 60 mH inductance is connected across a 220 volts (RMS) 60 hz supply. Determine the magnitude of the total current in the circuit.What should be the capacitance of a capacitor in series with 250 ohms resistor that will limit the current to 1.2 amperes when the circuit is connected to 600 volts 60 cycle source? Calculate also the power and pf. Under this condition