In a 3-phase half-wave rectifier, if per phase input is 200 V, then the average output voltage is 233.91 V
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 : A single phase, half-wave, controlled rectifier has 400 sin (314 t) as the input voltage and R as the load. For a firing angle of 60° for the SCR, the average output voltage is (a) 240/π (b) 400/π (c) 300/π (d) 200/π
Last Answer : C
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 : If the output of a half-wave rectifier is 50-volts peak, what is the average voltage
Last Answer : 15.9 volts.
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 : In a three phase half wave rectifier feeding resistive load, if the input source is a three phase 4 wire system and line to line voltage is 100 V. The supply frequency is 400 Hz. The ripple frequency at the output is: (1) 400 Hz (2) 800 Hz (3) 1200 Hz (4) None of these
Last Answer : In a three phase half wave rectifier feeding resistive load, if the input source is a three phase 4 wire system and line to line voltage is 100 V. The supply frequency is 400 Hz. The ripple frequency at the output is: 1200 Hz
Description : Draw single phase full wave mid-point converter for inductive load. Draw input and output waveforms for it.
Last Answer : Circuit Diagram: Waveforms:
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 : The input frequency of a bridge rectifier is 50 its output frequency will be 1. 25 Hz 2.50 Hz 3.75 Hz 4. 100 Hz
Last Answer : The input frequency of a bridge rectifier is 50 its output frequency will be 100 Hz
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 : 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 : What is the average voltage (Eavg) output of a full-wave rectifier that has an output of 100 volts peak?
Last Answer : 63.6 volts.
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 : What is the equation for determining average voltage in a half-wave rectifier?
Last Answer : Eavg = 0.318 × Emax
Description : If the input to a differentiating circuit is a saw-tooth wave, then output will be …………….. wave: A) square B) rectangular wave C) triangular wave D) rectified sine wave
Last Answer : If the input to a differentiating circuit is a saw-tooth wave, then output will be rectangular wave
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 : 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 : 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 : If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the ... lower lead D. clipped to a value equal to the square root of 3 times the input voltage value
Description : The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is (A) 1200 Hz (B) 600 Hz (C) 100 Hz (D) 50 Hz
Last Answer : The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is 1200 Hz
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 : An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
Last Answer : An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
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 : The correct term for the illustrated circuit is a ________. EL-0063 A. single phase half wave high power rectifier B. three phase half wave rectifier C. three phase full wave rectifier D. a single phase full wave rectifier
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 : If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___
Last Answer : Trippler.
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 full wave rectifier the negative point in a circuit is (A) cathode (B) anode (C) The central tap on the high voltage secondary (D) plate.
Last Answer : In a full wave rectifier the negative point in a circuit is The central tap on the high voltage secondary
Description : In a three phase controlled bridge rectifier with an increase of overlap angles the output dc voltage
Last Answer : In a three phase controlled bridge rectifier with an increase of overlap angles the output dc voltage decreases
Description : Explain three phase half wave controller or three phase unidirectional controller.
Last Answer : Three phase half wave controller or unidirectional controller:
Description : A single-phase voltage source square -wave inverter feeds pure inductive load. The waveform of the load current will be
Last Answer : A single-phase voltage source square -wave inverter feeds pure inductive load. The waveform of the load current will be triangular
Description : Single-phase mid-point controlled rectifier with RL load
Last Answer : Single-phase mid-point controlled rectifier with RL load : The circuit configuration of single-phase midpoint controlled rectifier is shown in the figure. During positive half-cycle of ... some part of next positive half-cycle of voltage with reversed polarity can appear across load.
Description : Single-phase Midpoint controlled rectifier with Resistive load
Last Answer : Single-phase Midpoint controlled rectifier with Resistive load: 1) During positive half cycle of AC supply, a is positive with respect to b , this makes T1 forward biased and T2 is reverse ... voltage reverses the polarity and T2 is turned off. The operation is as shown in waveforms.
Description : When the firing angle a of a single-phase, fully controlled rectifier feeding constant direct current into a load is 30°, the displacement power factor of the rectifier is
Last Answer : When the firing angle a of a single-phase, fully controlled rectifier feeding constant direct current into a load is 30°, the displacement power factor of the rectifier is √3/2
Description : The number of cycles per second occurring in AC voltage is known as the _____________. A. phase angle B. frequency C. wave form D. half mode
Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?
Last Answer : 120 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 : Draw & describe working of bridge rectifier with its input output waveforms
Last Answer : Four diodes are used. a)In positive half cycle Diodes D1 & D3 becomes forward biased they will conduct & current flows at that time D2 and D4 are reverse biased they will not ... at that time D1 and D3 are reverse biased they will not conduct. we get full cycle rectification.
Description : Draw and describe circuit diagram of centre tapped rectifier with LC filter along with its input and output waveforms.
Last Answer : Explanation: A centre- tap full wave rectifier drive produces the rectified voltage and it drives the LC filter. We know that the series inductor filter is preferred for low values of load resistance ( ... load RL. The output voltage waveforms are similar to that as shown in figure above.
Description : Draw the circuit diagram of bridge rectifier with π filter. Draw its input and output waveform.
Last Answer : Circuit diagram of bridge rectifier with π filter : Input and output waveform: