A single phase full wave rectifier supplies a 20 Ohm load at an average voltage of 15 V. Determine the source rms voltage. O 23.6 V O 16.7 V O 9.5 V O 33.3 V
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- In a phase controlled full wave rectifier, the source voltage is 50 VRMS sinusoidal, the source frequency is 60 Hz and the load is 20 ohms. Since the delay angle in the circuit is 20 °, which of the following is the value of the RMS load voltage? a) 99.54 V b) 49.77 V c) 70.38 V d) 35.19 V e) 23.46 VA three phase fullwave controlled rectifier has an input voltage which is 480vrmsat 60hz. the load modelled as a series resistance and inductance with R=10ohm and l=50mH. determine the delay angle to produce an average of 50ain the load.If a resistive load is supplied from a single phase half wave rectifier , if a supply voltage is (230v) calculate Vout at firing angle (a =120o) and draw the input and output waveform .
- What will be the out put of the following meters, if an average responding a.c meter of halfwave rectifier read (4.71v), and true form factor of input waveform is (1.414).Single phase diode bridge rectifier is connected to 220 V, 50 Hz supply to feed 5-ohm resistor in series with 10 mH inductor. Calculate and draw the load current during the first two periods of supply voltages waveform.Draw the waveform Vs , VL, ID ((each)) , is for single phase full wave rectifier with RL load for the following firing angle a) 0° b)45° c)90° d)135° f)180°
- A 1 - ∅ full-wave rectifier is made by using thyristors. If the peak value of the sinusoidal input voltage is Vm and the value of the delay angle is 45 degree, find the average value of output voltage Select one: a. 0.65 VM b. 0.85 VM c. 0.45 VM d. 0.25 Vm7-When a 60 Hz sinusoidal voltage is applied to the input of a half-wave rectifier, the output frequency is (1) 120Hz (b)30Hz ()60 Hz (d)0Hz 8- The peak value of the input to a half-wave rectifier is 10 V. The approximate peak value of the output is @10V (5)3.18V (©)10.7V )93V 9- The average value of a full-wave rectified voltage with a peak value of 75 V is ()53 V (b)47.8V (¢)37.5V (d)239V 10- When a 60 Hz sinusoidal voltage is applied to the input of a full-wave rectifier, the output frequency is (a) 120 Hz (b) 60 Hz (c) 240 Hz (d) 0 Hz 11- When the rms output voltage of a bridge full-wave rectifier is 20 V, the peak inverse voltage across the diodes is (neglecting the diode drop) ()20 V (b)40V (¢) 283 V (d) 56.6 V 12- The ideal dc output voltage of a capacitor-input filter is equal to (a) the peak value of the rectified voltage (b) the average value of the rectified voltage (c) the rms value of the rectified voltage 13- A 60 V peak full-wave rectified voltage is applied to a…A 50 ohms load resistance is connected across a half wave rectifier. The input supply voltage is 230V (rms) at 50 Hz. Determine the DC output (average) voltage (4 significant figures)