What is the power rating of R? +15V Vz 1.5K, 0.6 watts b. 1.5K, 0.410 watts С. none of these d. 1.5K, 0.054 watts e. 1K, 0.014 watts
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- 4 Listed are some of the uses of capacitors except: A. couples AC B. bypassing a shunt load C. signal amplification D. filters pulsating DCA step down converter is feeding an inductive load with R-10 Ohms, L15 mH and E-1sV. The supply is Vs-200v, the switching frequency is 10 kHz and the duty cycle is k-0.5. The maximum peak to peak ripple current in the load is equal to 0.34A. The erage load current la would be equal to: Select one: a. 8.5A O b. 18A Oc 11A O d. None of theseAn unipolar PWM full bridge circuit has a Vr.rms of 125V at a duty cycle D1 of 0.7. What is Vd? What is Vo.rms?
- Boost Converter Design A boost converter is required to have an output voltage of 8 V and supply a load current of 1 A. The input voltage varies from 2.7 to 4.2 V. A control circuit adjusts the duty ratio to keep the output voltage constant. Select the switching frequency. Determine a value for the inductor such that the variation in inductor current is no more than 40 percent of the average inductor current for all operating conditions. Determine a value of an ideal capacitor such that the output voltage ripple is no more than 2 percent. Determine the maximum capacitor equivalent series resistance for a 2 percent ripple.A three-phase bridge rectifier of Figure below has a purely resistive load of R 40 2 and is supplied from a 280-V, 60-Hz source. The b primary and secondary of the input transformer are a Primary + b Secondary ic Van in D₁D3 D5 D4D6D₂ 0₂ connected in Y. Determine the average output voltage of the rectifier if the source inductances are negligible.What is unit step signal
- 6. The R-C circuit has a resistance of 100 ohms and a capacitive reactance of 150 ohms are connected in series across a A.C. voltage source. If a current of 0.9 A is flowing in the circuit determine (a) Power factor (b) Active power (c) Reactive power.In the full-wave rectifier circuit of figure, the transformer has a turns ratio of 1:2. The transformer primary winding is connected across an AC source of 230V (rms), 50 Hz. The load resistor is 50ohms. For this circuit, determine the peak-to- peak ripple in the output voltage * Di i v2 = VmSin ot RL Vs(N V1 Vo + V3 = VmSin ot D2 Full-wave rectifier- Circuit operation during positive half cycle 460 V 207 V 325.3 V None of the above ell ellAn R-L load is connected to a 250 V, 400 Hz step down dc converter. The average load current is 100 A. The load resistance is 0.5 Ohm. The allowed ripple limit is 15%. The minimum value of inductor to limit the maximum ripple current is:
- A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?A chopper circuit works at a frequency of 4 kHz of a 220 V dc supply. For 180 V output voltage, find the conduction and blocking periods of a thyristor in each cycle. Select one: a. 0.209 ms, 0.234 ms b. 0.404 ms, 0.055 ms c. 0.204 ms, 0.045 ms d. 0.704 ms, 0.897 msthis is electric circuit questin ...plz solve it early .plz solve early