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

answered
Feb 8, 2018
by
NITIN DESHMUKH

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

**Last Answer :** Yes.

**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.

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

**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 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.

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

**Last Answer :** Yes.

**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.

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

**Last Answer :** 120 hertz.

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

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

**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 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.

**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 :** 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.

**Description :** Compare half wave rectifier and full wave rectifier.

**Last Answer :** half wave rectifier and full wave rectifier :

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

**Last Answer :** Circuit Diagram:

**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.

Define rectifier. Draw circuit diagram and input-output waveforms of bridge type full wave rectifier

**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 :** 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 :** 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 :** 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

**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 :** Rectification efficiency of a full wave rectifier without filter is nearly equals to: (1) 51% (2) 61% (3) 71% (4) 81%

**Last Answer :** Rectification efficiency of a fullwave rectifier without filter is nearly equals to: 81%

**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 :** 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

**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.

**Description :** If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___

**Last Answer :** Trippler.

**Description :** If the output of a half-wave rectifier is 50-volts peak, what is the average voltage

**Last Answer :** 15.9 volts.

**Description :** What is the output of a half-wave rectifier?

**Last Answer :** A pulsating dc voltage.

**Description :** What is the equation for determining average voltage in a half-wave rectifier?

**Last Answer :** Eavg = 0.318 × Emax

**Description :** What is the Ripple frequency of a half-wave rectifier if the input frequency is 60 Hz?

**Last Answer :** 60 hertz.

**Description :** In a half wave rectifier the rms value of AC component of the waves (a) Zero (b) Equal to DC value (c) More than DC value (d) Less than DC value

**Last Answer :** b) Equal to DC value

**Description :** Explain the working of Half wave rectifier with suitable diagram

**Last Answer :** 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 connected in series with the secondary of the ... . Since only half-cycles of the input wave are used, it is called a half wave rectifier.

**Description :** Describe working of A.C. voltmeter using half wave rectifier with neat circuit diagram.

**Last Answer :** AC Voltmeter using Half Wave Rectifier : The a.c. voltmeter using half wave rectifier is achieved by introducing a diode in a basic d.c. voltmeter. This is shown in the Fig. 1. The diode D ... can be obtained for a.c. voltmeter as, Where Idc is the full scale deflection current..

**Description :** operation of half wave rectifier type AC Voltmeter.

**Last Answer :** Half-wave Rectifier Voltmeter The d'Arsonval meter movement only responds to the average or dc value of the current through the moving coil. In order to measure alternating ... ) input voltage signal alternating signal needs to be rectified first by using diode rectifier to produce

**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 :** 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 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 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 :** 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 :** Ripple factor for a half wave rectifier is a. 1.65 b. 1.45 c. 1 d. 1.21

**Last Answer :** Ripple factor for a half wave rectifier is 1.21

**Description :** A single-phase full-bridge diode rectifier delivers a load current of 10A, which is ripple free. Average and rms values of diode currents are respectively (a) 10A, 7.07A (b) 5A, 10A (c) 5A, 7.07A (d) 7.07A, 5A

**Last Answer :** A single-phase full-bridge diode rectifier delivers a load current of 10A, which is ripple free. Average and rms values of diode currents are respectively 5A, 7.07A

**Description :** The r.m.s. value of a half-wave rectified alternating current is 10 A. Its value for full-wave rectification will be

**Last Answer :** The RMS value of a half-wave rectified current is 10 Ampere. Its value for full-wave rectification would be: 14.14 Ampere