2 k2 V; = 120 V (rms) A Ideal
Q: Example The input voltage to a full-Wave rectifier employing a center-tapped step-down transformer…
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Q: A full-wave bridge rectifier isolated from the 220 V rms power line by a transformer. Assuming the…
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Q: Q.3) The input voltage to a Full-wave rectifier employing a center - tapped step-down transformer…
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In half wave rectifier circuit (Vrms = Veff): 1) What is the average value (V0) of the output voltage? 2) Draw the waveform of the output signal over one period.
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- Given the instantaneous voltage ? = 141.4 sin(?? + 30°) expressed in Volts, and current ? = 11.31cos(?? − 30°) in Amps. Determine the following:1.The expression of the instantaneous power equationQ15) The watthourmeter is an example of integrating instrument. The meter is connected with 22.5A, 230V at 0.6 power factor for an hour which rotates 137 revoluation for an one unit of energy. If so, calculate the revolutions made by the meters a. 452.38 b. 425.38 c. 440.83 d. 435.38Given the circuit below with input v(t) = 28.28(40kpit) find the MAGNITUDE of the total real power (in milli watts (mW) with 2 decimal places)
- The voltage vR = 145 sin(100t) V is connected acroos a 1-Ω resistor. Determine the current (RMS) in polar form. Write the magnitude only in four decimal places.A hydro-electric station has an average available head of 100 meters and reservoir capacityof 50 million cubic meters. Calculate the total energy in kWh that can be generated, assuminghydraulic efficiency of 85% and electrical efficiency of 90%.An industrial assembly hall is continuously lightedby one hundred 40-W mercury vapor lamps suppliedby a 120-V and 60-Hz source with a power factor of0.65. Due to the low power factor, a 25 percent penaltyis applied at billing. If the average price of 1 kWh is$0.01 and the capacitor’s average price is $50 permillifarad, compute after how many days of operationthe penalty billing covers the price of the power factorcorrection capacitor. (To avoid penalty, the powerfactor must be greater than 0.85.)
- The power of a certain CD player operating at 120 V rms is20.0 W. Assuming that the CD player behaves like a pure resistor, find the maximum instantaneous powerAn automotive alternator is rated 500 VA and20 V. It delivers its rated voltamperes at a powerfactor of 0.85. The resistance per phase is 0.05Ω , andthe field takes 2 A at 12 V. If the friction and windageloss is 25 W and the core loss is 30 W, calculate thepercent efficiency under rated conditions.TOPIC: Ohm's Law, Power and Generating Direct CurrentDirect Current Circuit AnalysisInductor, Capacitor, Generating Alternating Current Please Answer: V6 R45 R2345
- 1- Your company is considering the installation of a 2 MW wind turbine with a rotor diameter of 80 m in a location with average wind v = 10 m/s. The turbine has a cut-in velocity of 5 m/s and a cut-out velocity of 25 m/s. The capacity factor is 0.45. The installed cost of the turbine is $3,500,000. Operating expenses are $225,000 per year. The system has a power coefficient (electric power generated divided by wind power) of 0.45. What price would you have to get for the electricity you produce to obtain a 10% return on the plant investment assuming a project lifetime of 20 years? Use the tables for the cumulative wind power distribution in the notes on wind probability to answer this question. Assume an air density of 1.225 kg/m3.Q1)What is the basic difference between conventional and nonconventional energy resources.An e.m.f. whose instantaneous value at time t is given by v(t) = 283 sin (314t + π/4) volts is applied to an inductive circuit and the current in the circuit is i(t) = 5.66 sin (314t - π/6) amperes. Determine: (iii) the active power absorbed (in W)the answer is not 207.286