Rectifiers don't "stabilize the output voltage" of rectifier circuits when input voltage fluctuates. The rectifiers just rectify the input, and the output will fluctuate as the input does. Another form of "conditioning" of the rectified output is needed to address the issue of fluctuations. And we use the term regulation to talk about the effect of "stabilizing" an output voltage. Through regulation, the output will be resistant to changes in voltage when changes in the input voltage occur.
When light bulbs are connected in series circuits, they will get dimmer whenever a bulb is added. This is because the current is shared between all of the bulbs equally.AnswerLamps only operate at their rated power when subjected to their rated voltage. If you connect lamps in series, each lamp will be subject to a lower voltage, so they will not operate at their rated power and, so, will be dimmer. The more powerful lamps will actually glow less than the less-powerful lamps because their resistance is lower and the voltage drop across them will also be lower than the voltage drop across the less powerful lamps.
A simple example, and it basically relates to buildings, is in Christmas lights strewn on the Christmas tree. If your Christmas lights are in series, if one bulb becomes duff, all the other bulbs also go out. So which bulb is duff (dead)? By testing each bulb you will eventually find the duff bulb and replace it.If the Christmas lights had been parallel, one duff bulb would not affect the other bulbs. It would be very apparent that the only dud bulb (not lit) in the parallel circuit needed to be replaced.
As we know that in medical science, anything whose evaluation takes place is called as SUBJECT....and who evaluate the SUBJECT is called as OBJECT..... in man-instrument system man or human body is subject and instruments are object............
Answer for USA, Canada and countries running a 60 Hz supply service.For permanently installed equipment in tunnels I find no special limitation on what can be used. I take this to mean that high voltage conductors in rigid non metallic conduit may be installed in a tunnel if other provisions of the code are followed, such as using schedule 80 PVC when the conduit may be subject to physical damage.As for mobile or portable equipment, non metallic raceways may not be used in tunnels.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
Every lamp and every appliance in your home has a rated power which can only be achieved at its rated voltage. These values are shown on an appliance's nameplate or is printed on each lamp -e.g. your lamps may be rated at 100 W / 230 V. It is, therefore, essential that every appliance is subject to its rated voltage of 230 V. This can only be achieved by connecting them in parallel with the 230-V supply. (For N America, read '120 V' for '230 V')A secondary advantage is that, with a series circuit, only one appliance has to stop working, and all the other appliances would stop working too.
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