Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?
Last Answer : 63.7 volts.
Description : If the output of a half-wave rectifier is 50-volts peak, what is the average voltage
Last Answer : 15.9 volts.
Description : When the peak output voltage is 100 V the PIV for each diode in a center-tapped full-wave rectifier is (neglecting the diode drop)?
Last Answer : Feel Free to Answer
Description : An AC supply of 230 V is applied to half wave rectifier circuit. A transformer turns ratio is 20 : 1. Find i) Output DC voltage (ii) Peak Inverse Voltage (PIV)
Last Answer : Solution:
Description : What is the equation for determining average voltage in a half-wave rectifier?
Last Answer : Eavg = 0.318 × Emax
Description : In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is: (1) 30 V (2) 60 V (3) 15 V (4) 10 V
Last Answer : In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is: 60 V
Description : In a 3-phase half-wave rectifier, if per phase input is 200 V, then the average output voltage is (a) 233.91 V (b) 116.95V (c) 202.56 V (d) 101.28V
Last Answer : a
Description : Is a full-wave rectifier output easier to filter than that of a half-wave rectifier?
Last Answer : Yes.
Description : What is the output of a half-wave rectifier?
Last Answer : A pulsating dc voltage.
Description : What effect does an open diode have on the output voltage of a half wave rectifier and on a full wave rectifier?
Last Answer : An open diode will result in no output from a half waverectifier, and an open diode will cut the output of a full waverectifier in half.
Description : The output from a full wave rectifier is (a) A pulsating uni-directional current (b) A DC voltage (c) Zero (d) An AC voltage
Last Answer : a) A pulsating uni-directional current
Description : If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___
Last Answer : Trippler.
Description : What would be the output of a negative clamper with a bias potential of −5 volts and an input voltage swing from +50 to −50 volts?
Last Answer : -5 volts.
Description : The ripple voltage in the output of a single phase half wave rectifier with 10 V rectified dc voltage with resistive load and without filter will be • 12.1 volt • 1.21 volt • 0.482 volt • 4.82 volt
Last Answer : The ripple voltage in the output of a single phase half wave rectifier with 10 V rectified dc voltage with resistive load and without filter will be 12.1 volt
Description : In the inverting configuration, what is the voltage (for all practical purposes) at the inverting input to the operational amplifier if the input signal is a 1-volt, peak-to-peak sine wave?
Last Answer : 0 volts.
Description : If the alternating source in Q41 is changed to 200 volts peak-to-peak, what is Iavg?
Last Answer : Iavg = 0.636 × Imax = 1.41 amperes.
Description : A circuit has a source voltage of 100 volts and two 50-ohm resistors connected in series. If the reference point for this circuit is placed between the two resistors, what would be the voltage at the reference point?
Last Answer : 50 volts.
Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
Last Answer : The bridge rectifier can produce twice the voltage with the same size transformer.
Description : What is the main disadvantage of a conventional full-wave rectifier?
Last Answer : Peak voltage is half that of the half-wave rectifier.
Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?
Last Answer : 120 hertz.
Description : What was the major factor that led to the development of the full-wave rectifier?
Last Answer : The fact that the full-wave rectifier uses the full output, both half cycles, of the transformer.
Last Answer : The bridge rectifier can produce double the voltage with the same size transformer.
Description : What is the main disadvantage of the conventional full wave rectifier?
Last Answer : The peak voltage is half that of a half-wave rectifier.
Description : In a full-wave voltage doubler, are the capacitors connected in series or in parallel with the output load?
Last Answer : In parallel.
Description : Define following parameter of rectifier: (i) Ripple factor (ii) Efficiency (iii) Peak Inverse Voltage (iv) Transformer utilization factor
Last Answer : (i) Ripple Factor - Ripple factor (γ) may be defined as the ratio of the root mean square (rms) value of the ripple voltage to the absolute value of the DC component of the ... the same rectifier. Effective VA Rating of transformer is the average of primary and secondary VA rating of transformer.
Description : If input frequency of a full wave rectifier be n, then output frequency would be - (1) n/2 (2) n (3) 3n/2 (4) 2n
Last Answer : (4) 2n Explanation: The frequency of a full-wave rectifier is double that of the input, if the input is a sine wave. A full-wave rectifier converts the whole of the input waveform to one ... both polarities of the input waveform to DC (direct current), and yields a higher mean output voltage.
Description : One diode of a full-wave rectifier has burned out in a shorted condition. Therefore, the output will be ____________. A. zero B. a rectified half-wave C. a rectified full-wave D. equal to the AC input
Last Answer : Answer: D
Description : A full-wave rectifier has one diode burned out in an open condition, what will be the output characteristic of the device? A. Zero B. Half-wave rectified C. Full-wave rectified D. Equal to the AC input
Last Answer : Answer: B
Description : Which of the following expresses the relationship of the input and output frequencies in a full wave rectifier? A. The output frequency is the same as input frequency. B. The output frequency is ... frequency is twice the input frequency. D. The output frequency is four times the input frequency.
Last Answer : Answer: C
Description : Why we are using the bridge rectifier in most of the circuits instead of full wave rectifier eventhough the output of both are same?
Last Answer : Ans-In bridge type (FWR) rectifiers center tapping transformer are not required so small transformers are used and we will get twice of the out put voltage that of the center tapped FWR.
Description : Explain the operation of a full wave bridge rectifier with π filter using a neat diagram. Draw input and output waveforms.
Last Answer : During positive half-cycle of input, the secondary voltage VAB is positive, so diodes D1 and D2 forward biased and D3 and D4 reverse biased. The load current flows from terminal A ... smooth DC voltage appears across the load. The input and output waveforms are shown in the figure.
Description : Draw the circuit diagram of shunt capacitor filter along with full wave rectifier. Draw the waveform of full wave rectifier output and shunt capacitor filter output.
Last Answer : Fig: Shunt capacitor filter along with full wave rectifier Fig: Waveform of full wave rectifier output and shunt capacitor filter output.
Description : Define rectifier. Draw circuit diagram and input-output waveforms of bridge type full wave rectifier
Last Answer : Rectifier - This circuit convert AC signal into DC.
Description : Explain Center-tapped full wave rectifier with the help of circuit diagram and draw input output waveforms.
Last Answer : Operation : During positive half cycle of an AC supply, D1 will forward biased and current starts flowing through load. The output voltage is equal to +Vs. During negative half cycle of an AC ... output voltage is equal to +Vs. In this pulsating DC waveform will be obtained at the load.
Description : Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.
Last Answer : 1. In positive half cycle (0 to Π): The end A of the secondary winding becomes positive and end B negative. This makes diode D1 and D4 forward biased while diode D2 and D3 are reverse biased. These two diodes will ... D2 and D3 when it is conducting is as follows. B - D2 - RL - D3 - A
Description : In a full wave rectifier with input frequency of 50 Hz, the frequency of the output is: (1) 50 Hz (2) 100 Hz (3) 150 Hz (4) 200 Hz
Last Answer : In a full wave rectifier with input frequency of 50 Hz, the frequency of the output is: 100 Hz
Description : What is the Ripple frequency of a half-wave rectifier if the input frequency is 60 Hz?
Last Answer : 60 hertz.
Description : What characteristic is determined by the time required for a voltage wave to travel from the input end of an artificial transmission line to the output end and back again?
Last Answer : Pulse width
Last Answer : Pulse width.
Description : The illustrated device is a _______. EL-0064 A. full wave bridge rectifier B. half wave bridge rectifier C. solid state voltage regulator D. direct current (DC) filter
Last Answer : Answer: A
Description : What type of bias (positive or negative) is added to a negative damper for the most positive extremity of the wave shape to be clamped above 0 volts?
Last Answer : Positive bias.
Description : A negative damper damps which extremity of the output waveshape to 0 volts?
Last Answer : Most positive.
Description : A positive damper clamps which extremity of the output signal to 0 volts?
Last Answer : Most negative.
Description : In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at output? (A) 30 Hz (B) 60 Hz (C) 20 Hz (D) 15 Hz
Last Answer : In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at output? (A) 30 Hz (B) 60 Hz (C) 20 Hz (D) 15 Hz
Description : A tube has a transconductance of 800 mhos and a load resistor of 50 kohms. When control grid voltage varies by 6 volts, the plate voltage will vary by what amount?
Last Answer : 240 volts.
Description : If the mu of a tube is 85 and the signal at the control grid is 4 volts ac, the plate voltage will vary by what amount?
Last Answer : 340 volts.
Description : The plate voltage of a tube will vary 126 volts when a 3-volt ac signal is applied to the control grid. What is the gain of this tube?
Last Answer : 42.
Description : If the source voltage for the voltage divider in question 50 supplies 150 volts, what is the total current through the voltage divider?
Last Answer : 495 mA.