how does rectifier convert ac to dc?

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

270 views 1 answer

asked Sep 4, 2019 by anonymous

An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to

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

260 views 1 answer

asked Jun 18, 2018 by anonymous

How IGBT convert DC into AC in solar inverter?

Last Answer : Igbt alone cant convert dc to ac. igbt half bridge or full bridge or three phase topology could be used to convert dc to ac. also igbt gates should be driven by microcontroller or pwm/spwm gate driving signals ... e4(-) and g4 c2e1 and c4e3 pins are AC output pins. its name is igbt inverter.

187 views 1 answer

asked Feb 24, 2018 by Amit Sharma

State the modification to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.

State the modification to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.
Last Answer : Modifications are necessary in a dc series motor so that it operates satisfactorily on ac supply. The modifications are as follows: 1) AC series motor is built with a few field turns as ... and grinders 5) High speed vacuum cleaners 6) Sewing machines 7) Food processors 8) Drilling machine

384 views 1 answer

asked May 7, 2020 by anonymous

Compare the AC and DC Arc lamps.

Compare the AC and DC Arc lamps.
Last Answer : AC Arc Lamp DC Arc Lamp Cross section area of electrode is same Cross section area of electrode is positive rod is twice that of negative rod Series inductor is used for stability ... supply is used for DC arc lamp Luminous efficiency is less Luminous efficiency is high

251 views 1 answer

asked May 3, 2020 by anonymous

What is the advantage of AC over DC electrical transmission?

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asked Apr 26, 2020 by anonymous

Why are DC motors used in trains and not AC motors ?

Why are DC motors used in trains and not AC motors ?
Last Answer : The reason is torque. torque is inversely proportional to speed..i.e when th knowe train comes to rest position to motion.. initial speed is zero..so it requires high starting torque for ... current will flow through field and armature coils then maximum torque is available at the intial condition.

162 views 1 answer

asked Sep 3, 2019 by anonymous

Why is AC considered more efficient than DC?

Why is AC considered more efficient than DC?
Last Answer : Ac is more efficient than dc because it is easy to maintain and change the voltage of ac for transmission and distribution purpose. Plant cost of ac transmission is much lower compared to dc transmission. When fault occurs it is easy to interrupt ac supply.

100 views 1 answer

asked Aug 28, 2019 by anonymous

Which is more dangerous AC or DC and why ?

Which is more dangerous AC or DC and why ?
Last Answer : Dc is more dangerous than Ac because in Ac the voltage will varies but in dc the constant voltage

151 views 2 answers

asked Aug 28, 2019 by anonymous

What is the conversion between. AC to AC ? DC to DC? AC to DC? DC to AC ?

What is the conversion between. AC to AC ? DC to DC? AC to DC? DC to AC ?
Last Answer : 1.ac to ac is regulation 2.dc to dc is chopper 3.ac to dc is rectifier 4.dc to ac is inverter

101 views 1 answer

asked Aug 15, 2019 by anonymous

Is the power line voltage available in our homes a dc or an ac voltage?

Is the power line voltage available in our homes a dc or an ac voltage?
Last Answer : The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.

5.2k views 1 answer

asked Jun 29, 2019 by anonymous

is it DC better than AC to transmit? explain it.

Do you think is DC better than AC to transmit energy?
Last Answer : In Long distance DC transmission will be better in cost. It requires more equipments for flexiblity In short distance AC transmission is better in cost. It is more Flexible

468 views 2 answers

asked Aug 11, 2018 by nbattack

Distinguish between AC and DC.

Distinguish between AC and DC.
Last Answer : Particulars Direct Current Alternating Current Definition It is the current whose magnitude and direction do not change with respect to time. It is the current whose ... system, electroplating, Battery charging, Traction. AC machines, Domestic and industrial supply.

464 views 2 answers

asked Aug 8, 2018 by anonymous

The main advantage of AC over DC is:

The main advantage of AC over DC is: (A) Conversion flexibility from one voltage level to other (B) AC can be easily converted into DC by using a rectifier (C) AC is easy to maintain & can be easily distributed at long distances (D) All of the above
Last Answer : Ac is easy to maintain and ac can be easily converted to dc by rectifier .There is no commutator for conversion in ac that's why ac machines are weight less and more efficiency.ac machines occupy less space than dc .

144 views 2 answers

asked May 8, 2018 by anonymous

Which of the following motors can run on both AC and DC?

Which of the following motors can run on both AC and DC? A) Universal motor B) Dual wattage motor C) Flexible motor D) All the above
Last Answer : Which of the following motors can run on both AC and DC? A) Universal motor B) Dual wattage motor C) Flexible motor D) All the above

181 views 1 answer

asked Apr 29, 2018 by anonymous

What is the difference between an AC and DC generator?

What is the difference between an AC and DC generator?
Last Answer : The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.

317 views 1 answer

asked Mar 15, 2018 by anonymous

Do cell phones use AC or DC current?

Do cell phones use AC or DC current?
Last Answer : DC of course.

210 views 2 answers

asked Mar 14, 2018 by anonymous

Is current from a battery AC or DC?

Is current from a battery AC or DC?
Last Answer : The current from the battery is DC

135 views 2 answers

asked Mar 14, 2018 by anonymous

Is electricity generated in AC or DC?

Is electricity generated in AC or DC?
Last Answer : Electricity is generated in AC.

131 views 1 answer

asked Mar 10, 2018 by anonymous

What is the difference between AC and DC drive?

What is the difference between AC and DC drive?
Last Answer : AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz

156 views 1 answer

asked Mar 10, 2018 by anonymous

What is the use of AC and DC drives?

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asked Mar 10, 2018 by anonymous

Is it AC or DC electricity in the home?

Is it AC or DC electricity in the home?
Last Answer : Obviously its A.C

200 views 4 answers

asked Mar 10, 2018 by anonymous

are AC and DC resistances same?

are AC and DC resistances same?
Last Answer : Resistance is the ability of a circuit or element (which is called resistor) to oppose current. Examples of Resistors with the ability of high resistance are Wood, Air, Mica, Glass, Rubber, Tungsten ... constant. Therefore, only the original resistance of wire comes into play. they are not the same

82 views 1 answer

asked Oct 18, 2017 by anonymous

is induction motor ac or dc?

Last Answer : Induction motor is a AC motor it is also known as asynchronous motor .

100 views 1 answer

asked Sep 9, 2017 by anonymous

Single-phase mid-point controlled rectifier with RL load

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.

213 views 1 answer

asked Oct 13, 2019 by anonymous

Single-phase Midpoint controlled rectifier with Resistive load

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.

619 views 1 answer

asked Oct 13, 2019 by anonymous

When the firing angle a of a single-phase, fully controlled rectifier feeding constant direct current into a

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

1.4k views 1 answer

asked Apr 29, 2018 by anonymous

why rectifier is used in power supply ?

Last Answer : Rectifier is use in power supply to convert Alternating current (AC) to Direct Current (DC) .

109 views 1 answer

asked Sep 13, 2017 by anonymous

which rectifier used in mobile charger?

Last Answer : Full wave bridge rectifier is used in mobile chqrger.

182 views 2 answers

asked Sep 13, 2017 by anonymous

which rectifier is more efficient?

Last Answer : the efficiency of centre tapped full wave rectifier and bridge rectifier is same that is 80.2% but the because of the use of Central trap the Transformer utilisation factor It's become low.hence we can say the bridge rectifier is more efficient

104 views 1 answer

asked Sep 13, 2017 by anonymous

what is rectifier and its types?

Last Answer : rectifier is a device which converts AC voltage to pulsating DC voltage using one or more diode diode conducts only in unit direction that is forward bias condition practically it does not conduct ... types one is with using two diodes and Centre tap Transformer and another is bridge wave rectifier

104 views 1 answer

asked Sep 13, 2017 by anonymous

rectifiers are used to convert?

Last Answer : Ac to dc

125 views 1 answer

asked Sep 13, 2017 by anonymous

A 3 phase controlled rectifier has an input voltage of 414 rms at 50Hz, R=10.Find the delay angle to produce a current of 50A

A three phase controlled rectifier

3 views 0 answers

asked Jul 22, 2021 by fcherono

List out advantages and disadvantages of bridge rectifier.

List out advantages and disadvantages of bridge rectifier.
Last Answer : Advantages : 1. Bridge rectifier can be used in applications allowing floating output terminals i.e. not output terminal is grounded. 2. The need of center-tapped transformer is eliminated. ... The value of the diodes used should be precise , else there will be an error in rectification

212 views 1 answer

asked May 16, 2020 by anonymous

Define PIV, TUF, ripple factor, efficiency of rectifier.

Define PIV, TUF, ripple factor, efficiency of rectifier.
Last Answer : PIV: Peak Inverse Voltage (PIV) is defined as the maximum negative voltage which appears across non-conducting reverse biased diode. TUF : Transformer Utilization Factor (TUF) is defined as the ratio of DC output ... Efficiency of rectifier: η = DC output power/ AC input power = PLdc / Pac

828 views 2 answers

asked May 2, 2020 by anonymous

need of rectifier and filter.

need of rectifier and filter.
Last Answer : Need of rectifier: Every electronics circuit needs a D.C. power source for its operation. The rectifier circuit is used to convert A.C. supply to unidirectional pulses . Need of filter: A filter ... only the D.C. components to reach the load. So filter is used to provide ripple free output.

60 views 1 answer

asked Aug 19, 2019 by anonymous

Type of rectifier??

2.6k views 0 answers

asked Jul 24, 2019 by anonymous

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

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

167 views 1 answer

asked Sep 5, 2018 by anonymous

In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at output?

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

394 views 1 answer

asked Apr 26, 2018 by anonymous

The rectifier instrument is not free from?

Last Answer : The rectifier instrument is not free from frequency error.

189 views 1 answer

asked Mar 21, 2018 by anonymous

The scale of a rectifier instrument is?

Last Answer : The scale of a rectifier instrument is linear.

161 views 1 answer

asked Mar 21, 2018 by anonymous

What is rectifier?

Last Answer : Rectifier is a device which convert AC to DC.

2.6k views 1 answer

asked Sep 21, 2017 by anonymous

Resonance in a circuit occurs when the inductive reactance is equal to the capacitive reactance ?

TRUE OR FALSE

4 views 0 answers

asked Jul 30, 2021 by siyanda mtati

Changeover from D.C to A.C

Changeover from D.C to A.C
Last Answer : In later half of eighties, in nineteenth century, it was proposed to have a power system with 3- phase, 50 Hz A.C generation, transmission and distribution networks. Once a.c system was adopted, transmission of ... favor of A.C supply system own the debate on switching over from D.C to A.C system.

2.4k views 1 answer

asked Aug 8, 2019 by anonymous

Describe the difference between direct and alternating current.

Describe the difference between direct and alternating current.
Last Answer : Direct current is the flow of electricity or charge in one direction.. Alternative current is the flow of charge that doesn't flow in one direction.

5.3k views 4 answers

asked Jun 29, 2019 by anonymous

State any four advantages of A. C. over D. C .

State any four advantages of A. C. over D. C .
Last Answer : Advantages of AC over DC: i) It is possible to use a transformer. ii) Distribution efficiency is high. iii) Generation is easy and economical. iv) Construction of ac equipment/ machines is robust and simple ... . vii) AC system is economical than DC system. viii) AC system is safer than DC system.

124 views 1 answer

asked Sep 4, 2018 by anonymous

Jeetendra pasi · Answer 1 · 2017-12-16T15:04:34+0000

Rectifier convert ac current into pulsating dc current it is not pure dc current.

rashudubey123 · Answer 2 · 2018-01-24T08:31:33+0000

Answer :

IT CHANGES NEGATIVE CYCLE IN TO POSITIVE CYCLE FROM AC CURRENT.

answered Jan 24, 2018 by rashudubey123

how does rectifier convert ac to dc?

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