0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Why hysteresis loss depends on input current frequency of transformer?
I couldn't find an exact reference to back up the answer, but based on my understanding of the subject:Hysteresis loss comes from the changing core magnetic field lagging the magnetic field induced by the windings. While the hysteresis loop graphs do not show it, there is an amount of time lag. Therefore as the input frequency increases, the magnetic field is trying to change faster, but the core magnetic field cannot keep up, so energy is lost in the form of heat.There are other losses associated with different frequencies, but real-world transformers are usually specified to operate within a range of frequencies where these losses are kept to a minimum for the particular transformer design.
A contour line that forms a closed loop and has small dashes pointing to the inside of the loop represents what?
Hysteresis loops tell about the magnetic properties of a material. E.g. wider loops indicate that the material is magnetically hard (i.e. it retains magnetisation even if the applied field is removed, permanent magnetics have much wider hysteresis loops)whereas thinner loops represent it to be soft (if the magnetic field is removed, the material doens't show any magentism). This is one advantage of hysteresis loops. further, such loops can identify the grain size of a material and much more. hope it answers your question.
How can you loop a PowerPoint presentation?
Go to the Slide Show menu, then to Set Up Show and the click on Loop Continuously until Esc in the Show Options.
Where is the TV show The Loop located?
Chicago
How heat loss reduces effiency of a device?
on a sankey diagram it show that energy in divided by useful energy out to get efficientcy so if heat is lost then more joules is let out which means less effientcy
How will you know when you have flamed the inoculating loop or needle long enough?
when we show the flame in the loop ,for 1 minute its gets brownish colur
What is the phonological loop hypothesis?
The Phonological Loop Hypothesis refers to the existence of a Phonological Loop. (also called an Articulatory Loop. In other words what is the scientific evidence to show the the Phonological Loop exisits. The Phonological Loop is an important component in the Working Model of Memory. It main function is to store the order of phonological information. In other words, information that can be coded as speech sounds.
How do you loop PowerPoints?
Assuming you have PowerPoint 2007, Go to the slide show tab and you should be able to find a button that says "set up slide show" click on it. After that there is an option that says "loop continuously until escape"
What type of energy that is lost doing work is lost as what type of energy?
Usually thermal energy. This is true for all types of heat engines, ie gasoline or diesel engines, gas turbines, steam turbines, and so on. If you are talking about mechanical work like a system of levers, or pushing a weight along a surface, friction will be the cause of energy loss and this again will show as thermal energy loss (heat is produced at the points of friction)
Is hysteresis desirable in a transducer why?
Not usually. In most applications you want a linear response in voltage to stimulus with as low a time constant for change as possible. This is the ideal and not completely achievable or justified by the cost. As a rule the smaller the stimulus being measured the less desirable hysteresis. Think of an elephant sitting on the scale it takes some moments for the springs and counter weights to reach an equilibrium. A funny thing though. In biology most sensory receptors show some type of hysteresis. That may be because they respond with a frequency encoded response though.
Using while loop write a program which calculates the product of digits from 1 to 5 and also show these nos vertically?
Using while loop, write a program which calculates the product of digits from 1 to 5 and also show these no's vertically.
What if you horse stops in front of a fence in the show arena do you kinda walk over it if possible or make a loop and do it again or just skip to the next fence?
you make a loop and do it again
