# 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

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

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.

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

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

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

Explain Center-tapped full wave rectifier with the help of circuit diagram and draw input output waveforms.

Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.

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

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

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

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

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

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

A single phase full -wave half controlled bridge converter feeds an inductive load: The two SCRs in the converter are connected to a common DC bus. The converter has to have a free wheeling diode (A) Because the converter inherently does not provide for free wheeling (B) Because the converter does not provide for free wheeling for high ... the AC supply (D) Or else if a gate pulse to one of the SCRs is missed, it will subsequently cause a high load current in the other SCR

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)

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

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

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

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

what is the full form of ISO ?

What is the average value of a perfect sine wave over a complete cycle ? (A) Zero (B) Peak value (C) rms value (D) None of the above

What is peak factor of a sinusoidal wave?  (A) 1.11 (B) 1.414 (C) 3.142 (D) 4.44

what is mean by sine wave?

A single phase full-wave half-controlled bridge converter feeds an inductive load. The two SCRs in the converter are connected to a common DC bus. The converter has to have a freewheeling diode.  (A) because the converter inherently does not provide for free-wheeling (B) because the converter does not provide for free-wheeling for high ... the AC supply (D) or else if a gate pulse to one of the SCRs is missed, it will subsequently cause a high load current in the other SCR.

a single phase full wave midpoint thyristor converter uses a 230/200V transformer with centre tap on the secondary side. The P.I.V per thyristor is   (A) 100V (B)141.4V (C)200V (D)282.8V

An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to  (1) 1.414 times dc sensitivity (2) dc sensitivity (3) 0.9 times dc sensitivity (4) 0.707 times dc sensitivity

Explain three phase full wave controller.

A UPS commonly has following parts : (i) rectifier (ii) inverter (iii) static switch Which of the following is true ?   (a) only (i) (b) only (i) and (ii) (c) (i), (ii) and (iii) (d) only (ii) and (iii)

What is the full form of "HDMI" port?

The no-load current drawn by transformer is usually what per cent of the full-load current ?

What is the full form of ACSR?

What is the full form of IC?

What is the speed of an electromagnetic wave in water?

A transformer operates 24 hours day at full -load. It's full -load efficiency is :  (A) equal all day efficiency (B) more than all -day efficiency (C) less than all -day efficiency (D) equal to maximum efficiency

The ratio of full -load volt-amperes to short-circuit volt-amperes is equal to :

A three phase induction motor is driving full -load torque which is independent of speed. If the line voltage drops to 90% of the rated value, % increase in motor copper losses  (a) 23% (b) -18% (c) 123% (d) None of these

A full adder is a combinational circuit that performs the arithmetic sum of three input bits and produces a (a) sum output (b) sum output and a carry (c) sum output with two carries (d) two sums with two carries

The efficiency of a transformer at full load 0.8 p.f lagging is 90%. Its efficiency at full load 0.8 p.f leading will be (1) Less than 90% (2) More than 90% (3) 90% (4) None of these

A transformer has maximum efficiency at 3/4 full load. The ratio of its iron losses and full load copper loss is : -  a) 16/9 b) 4 / 3 c) 3/4 d) 9 /16

A cumulative dc compound motor runs at 1500 rpm. on full load. If its series field is short-circuited, its speed  (1) becomes zero (2) remains unchanged (3) increases (4) decreases

The no~load current of a single phase induction motor is around _____% of full load current.  (1) 10 (2) 20 (3) 40 (4) 80

A 50 Hz, 3—phase induction motor has a full load speed of 1440 rpm. The number of poles of the motor is:   (A)4 (8)6 (0)12  (D)8