2 Answers

Answer :

bridge rectifier

Answer :

Full wave bridge rectifier is used in mobile chqrger.

Related questions

Description : wireless mobile charger

Last Answer : it is simply the wireless transfer of the electricity such in transformer the EMF is induced in the neighbouring called because of change in the voltage in primary coil show the phenomenon of mutual inductance is at a very high level and energy can transfer in through the air or another medium

Description : Draw the circuit diagram of battery charger using SCR and explain it’s working.

Last Answer : Battery charger circuit using SCR: The figure shows the battery charger circuit using SCR. A 12V discharged battery is connected in the circuit and switch SW is closed. The singlephase 230V ... not fired. In this way, after full charging, further charging is automatically stopped.

Description : Why does the charger become hot while charging mobile phone?

Last Answer : Charging depends on time duration. If your phone battery is very low and you are using your phone with battery draining app like YouTube, the charger will be forced by the phone to ... temp of electrical components like transistors. Junction temperature will be larger as junction current is higher.

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

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

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

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

Last Answer : NO IT ONLY CONVERT FROM AC TO DC BECAUSE DIODE WHICH ARE USED IN IT, ARE UNIDIRECTIONAL.

Last Answer : IT CHANGES NEGATIVE CYCLE IN TO POSITIVE CYCLE FROM AC CURRENT.

Description : Battery Charger

Last Answer : Do you have a car battery that is losing its power? You can use a battery charger to bring its power back. A battery charger is a device that forces electric current through the battery ... battery are compatible. Carefully read the instructions on how to install the charger to avoid any accidents.

Description : 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

Description : 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

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 : 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.

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 :  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 : 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

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

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

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

Description : How often do you change the wallpaper on your mobile phone?

Last Answer : Once a year, if I remember.

Description : Do you have any fitness related app installed on your mobile?

Last Answer : answer:Myfitnesspal is good. I log the food I consume and the exercise I do. I also have Garmin Connect that syncs with my watch. I also have a few productivity apps (such as Routinely) where ... particularly related to fitness but help me track whether I'm being a lazy slob or doing some exercise.

Description : AT&T mobile to mobile texting?

Last Answer : no

Description : Is there a web messenger that can contact offline or mobile contacts?

Last Answer : I believe that most of them can. AIM has a web messenger, AIM Express, that does it. I think MSN messenger and Yahoo! messenger can do it as well.

Description : Define the following terms : (i) Base Station (ii) Control Channel (iii) Mobile Station (iv) Page 

Last Answer : i) Base Station: - A fixed station in a mobile radio system used for radio communication with mobile stations. Base stations are located at the center or on the edge of a coverage region ... the page throughout the service area using base stations which broadcast the page on a radio carrier.

Description : Are all of the Gateway lap top chargers the same?

Last Answer : answer:No, they aren't. Depending on the age of the laptop, then can draw 19 volts, 27 volts, ore (on some older ones) 42 volts. And the amperage (the rate of flow of the electricity) ... unit). Also, consider other vendors. Amazon is nice, but newegg.com is also reputable. As is tigerdirect.

Description : Is there any way I can replace this?

Last Answer : Call or write Norelco. They will be able to tell you.

Description : How does battery saver functionality work?

Last Answer : Well I'm not sure about android (if you are using an android operating smart phone). I use the iPhone myself and it has the low battery mode. What it does essentially is it only uses data when you ... are reduced or turned off. I'm assuming other phones such as Samsung, LG, HTC etc is quite similar.

Description : Which version of ask-public do you prefer?

Last Answer : Desktop. I don’t have a phone, so mobile mode makes everything all big and you have to scroll down for like seven years before reaching the bottom.

Description : How can we develop a software that would only work if its in the hand of its original user, using the finger print technology, so that if it gets stolen or if anyone else tries to use it, they would not be able to do so?

Last Answer : If you have to ask…

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 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 : 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 : Can we use a zener diode as a rectifier?

Last Answer : Yes we can use zener diode as rectifier but it have limitations better to use normal diode. Zener diode have some different applications.

Description : Even if you buy a new Android mobile charger, after 10/12 days no other mobile will be charged with it. Why is that ? And which company's charger is the best charger ?

Last Answer : You use Nokia charger. It gives much better service than other chargers.

Description : Is there any damage to the mobile when charging another mobile with the charger of one mobile ?

Last Answer : The mobile or its battery lasts much longer than the charger attached to the mobile. Mobile charger can be damaged at any time. And if this is the case then we buy a non-brand or ... can cause the phone to overheat , catch fire and reduce battery performance when charging with another charger.

Description : Does charging with any charger cause any damage to mobile or battery ?

Last Answer : No , no problem. It will only take a little longer to fully charge. Also no problem. Many people even say that using mobile while charging causes battery problem , but that is not true. So you can safely use your mobile in case of emergency.

Description : Is it normal for a mobile charger to make a whistling sound when charging?

Last Answer : No, it's definitely not normal. I would buy another charger or visit a service center.

Description : Or do you just connect your mobile?

Last Answer : I have mobile phones with me .. so I charge them via USB on my PC ... but if not so ... I leave chargers and other things in the sockets ... I just switch the socket to the off position ... >>>> ☢ ☢ ☣ ☠ ☣ ☠ ☣ ☠ ☢

Description : How do you find out what it is? I don't have a spare charger

Last Answer : Bad contact in the charger cable.

Description : Will my cat become an electric cat if he bites through my smartphone charger cable?

Last Answer : Yes

Description : Shouldn’t the Federal government compel all manufacturers of electric cars to standardize their charging systems to accept charging from the same charger?

Last Answer : Sounds logical to me.

Description : Can you recommend a good portable iPhone/iPad external charger?

Last Answer : The ones as small as a chapstick aren't worth crap!!! I buy mine off Amazon & you might look to see if you see one that you like. Currently, I'm enamored with the Anker external battery. The one ... at the same time. Both brands have 2 USB ports available to use. Hope you find one that you like!!!

Description : Charger Light on HP laptop not working?

Last Answer : I’m not trying to be a smart ass, but did you make sure the outlet you are using is working?

Description : Do you have a recommendation for a solar charger, for charging electronics (such as cell phones)?

Last Answer : answer:I just use the charger that came with my cell phone. It’s quick, cheap and plugs into both the house and the car. Maybe you could buy an electric car?

Description : Is it dangerous to use a battery charger with batteries of a different brand?

Last Answer : There is no danger.