# What is full wave rectifier?

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Full wave rectified both time of positive and negative half cycle of ac.for thaat purpose two diodes are use.but in two diode case we have to use  centre trap transformer.to overcome on this disadvantage we use bridge rectifire having four diodes

## Related questions

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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

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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

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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

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Last Answer : working of Half wave rectifier The half-wave rectifier circuit using a semiconductor diode (D) with a load resistance RL but no smoothing filter is given in the figure. The diode is ... load. Since only half-cycles of the input wave are used, it is called a half wave rectifier.

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Description : In half wave rectification, what is the output frequency if the input frequency is 60 Hz. What is the output frequency of a full wave rectifier for the same input frequency?

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Description : A full wave rectifier circuit along with the output is shown in the figure. The contribution from diode ‘1’ is (1) C, D (2) A, C (3) B, D (4) A, D

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Description : A zener diode is generally used as, (1) p–n junction diode (2) Full wave rectifier (3) Half wave rectifier (4) Voltage regulator

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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)?

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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.

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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.

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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

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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

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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

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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

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Description : In the illustrated circuit, section II is considered to be a _______. EL-0085 A. full wave rectifier B. half wave rectifier C. quarter wave rectifier D. short wave rectifier

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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.

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Description : The use of four diodes, in a full-wave bridge rectifier circuit, will __________. A. provide unidirectional current to the load B. allow a very high leakage current from the load C. convert direct current to alternating current D. offer high opposition to current in two directions

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Description : Difference between half wave and full wave rectifier?

Last Answer : A10: The efficiency of half wave rectifier is not so good as that of full wave rectifier Because only one half of the input waveform reaches the output, it is very inefficient if used for ... reduced in the full-wave rectifier and being reduced further with the increase in the number of phases.

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Description : Full wave centre tap rectifier?

Last Answer : In this method only two diodes are used. But it requires a center tap transformer. During the positive half cycle diode D1 conducts. In the negative half cycle diode D2 conducts. So in ... rectification converts both polarities of the input waveform to DC (direct current), and is more efficient.

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Description : Full wave bridge rectifier?

Last Answer : Full wave bridge rectifier: In full wave bridge rectifiers 4 diodes are using. During positive half cycle, D1 and D4 are in forward biased condition. In the negative half cycle of ac D3 and D2 ... a centre tap rectifier. But it requires more number of diodes than centre tap and half wave rectifiers

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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.

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Description : Is a full-wave rectifier output easier to filter than that of a half-wave rectifier?

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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.

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Description : What is the main disadvantage of a conventional full-wave rectifier?

Last Answer : Peak voltage is half that of the half-wave rectifier.

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Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?

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Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?

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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.

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Description : Is a full-wave rectifier output easier to filter than that of a half-wave rectifier?

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Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?

Last Answer : The bridge rectifier can produce double the voltage with the same size transformer.

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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.

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Description : What is the average voltage (Eavg) output of a full-wave rectifier that has an output of 100 volts peak?

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Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?

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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

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Description : derive an expression for the Ripple factor in a full wave rectifier using inductor filter

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Description : Obtain the Ripple factor of a full wave rectifier with shunt capacitor filter.

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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.

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Description : Draw the circuit diagram and describe the working principle of full wave bridge rectifier. Draw its waveforms.

Last Answer : During the first half cycle : During the first half cycle of the input voltage, the upper end of the transformer secondary winding is positive with respect to the lower end. Thus during the first ... , terminal D, diode D4, and terminal A back to transformer and output will positive half cycle.

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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.

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Description : Draw and describe working of full wave rectifier using centre tapped transformer.

Last Answer : Full wave Rectifier with Center tapped transformer(FWR): In full wave rectification, the rectifier conducts in both the cycles as two diodes are connected. Circuit diagram: Operation: 1. In ... both half-cycles of input AC voltage. Therefore DC is obtained across the load RL.

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Description : Compare half wave rectifier and full wave rectifier.

Last Answer : half wave rectifier and full wave rectifier :

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Description : Draw circuit diagram and waveforms for centre-tap full wave rectifier.

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Description : Explain with neat sketch, the working of full wave rectifier voltmeter.

Last Answer : Full Wave Rectifier Type Voltmeter: Working of full wave rectifier type A. C. Voltmeter Referring to the circuit diagram, for rectification, a full wave bridge circuit (ABCD) is used. Input ... current passing through meter is given as, which causes full scale deflection of the meter.

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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.

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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.

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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

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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

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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

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Description : The transformer utilization factor of full wave bridge rectifier is   (A) 0.812 (B) 0.286 (C) 0.693 (D) 0.782

Last Answer : The transformer utilization factor of full wave bridge rectifier is 0.286

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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