Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment.

Potentiometers are rarely used to directly control significant power ( more than a watt ), since the power dissipated in the potentiometer would be comparable to the power in the controlled load.

Potentiometers are rarely used to directly control significant amounts of power ( more than a watt or so ).

Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick.

Potentiometers used in combination with filter networks act as tone controls or equalizers.

Potentiometers were formerly used to control picture brightness, contrast, and color response.

Potentiometers can be used as position feedback devices in order to create " closed loop " control, such as in a servomechanism

Potentiometers comprise a resistive element, a sliding contact ( wiper ) that moves along the element, making good electrical contact with one part of it, electrical terminals at each end of the element, a mechanism that moves the wiper from one end to the other, and a housing containing the element and wiper.

Potentiometers in the actuator send a signal back to the computer ( usually a negative voltage ) reporting the position of the actuator.

* 2007 41 Potencjometrów Pana Jana (" 41 Mr. John's Potentiometers ")

All the drivers knew about the plates and they also knew about the big floppy straw hat with shredded edges, the kind natives in travel ads wear when they are out joyfully chopping cane.

I think that we are here also talking of the kind of fear that a young boy has for a group of boys who are approaching at night along the streets of a large city.

By `` image '' is meant not only a visual presentation, but also remembered sensations of any of the five senses plus the feelings which are immediately conjoined therewith.

it is true that they are also extremely dull.

The networks for military communications are one of the best examples of networks which not only must be changed with the changes in objectives but also must be changed with the addition of new machines of war.

We are also struck by the fact that this story of a boy's love for his mother does not offend, while the incestuous love of the man, Paul Morel, sometimes repels.

He and also Mr. Cowley and Mr. Warren have fallen to the temptation which besets many of us to read into our authors -- Nathaniel Hawthorne, for example, and Herman Melville -- protests against modernism, material progress, and science which are genuine protests of our own but may not have been theirs.

On December 21, the day that the Irish House of Commons petitioned for removal of Sir Constantine Phipps, their Tory Lord Chancellor, Molesworth reportedly made this remark on the defense of Phipps by Convocation: `` They that have turned the world upside down, are come hither also ''.

Among measures in anticipation of crisis are plans to inject into the turmoil as assistants of key decision makers qualified persons who are cognizant of the corrosive effect of crisis upon personal relationships and are also able to raise calm and realistic voices when overburdened leaders near the limit of self-control.

Very likely it will also include a recognition that the work we are reading reflects or `` belongs to '' some way of thought labelled as a `` school '' or an `` -ism '', i.e. a complex or `` syndrome '' of ideas occurring together with sufficient prominence to warrant identification.

Greek boys and girls also go for rock-and-roll, and the stations most tuned to are those carrying United States overseas programs.

They both measure literature by moral standards, and in their political writings both allow for censorship, but the differences between them are also significant.

We may further grant to those of her ( Poetry's ) defenders who are lovers of poetry and yet not poets, the permission to speak in prose on her behalf: let them show not only that she is pleasant but also useful to States and to human life, and we will listen in a kindly spirit ; ;

Occupational choices are also useful -- and interesting -- in bringing out clearly that values do not constitute the only component in goals and aspirations.

The students who are most willing to acquiesce in the suppression of civil liberties are also those who are most likely to be prejudiced against minority groups, to be conformist and traditionalistic in general social attitudes, and to lack a basic faith in people.

This finding is consistent also with the fact that student leaders are more likely to be supporters of the values implicit in civil liberties than the other students.

In this sense also, they are surely conformists.

Of course I hope Hal can also, but those hopes are much more faint ''.

The novel, which is not merely dystopian but also brilliantly satiric, describes a future America where one-sixteenth of the population, the men who run advertising agencies and big corporations, control the rest of the people, the submerged fifteen-sixteenths who are the workers and consumers, with the government being no more than `` a clearing house for pressures ''.

But I will also remind them that I have always been inclined to skepticism, to a kind of Laodicean lack of commitment so far as public affairs are concerned ; ;

`` You are very brave ''.

Families are very interesting.

We are very proud of it ''.

`` At 200, 300, 400 feet under the water, when he must be paying very much attention, he will be thinking about what you are telling him.

Others are confined to vast reservations, and not only does the Australian government justifiably not wish them to be viewed as exhibits in a zoo, but on their reservations they are extremely fugitive, shunning camps, coming together only for corroborees at which their strange culture comes to its highest pitch -- which is very low indeed.

We are desperately in the need of such invention, for man is still very much at the mercy of man.

More potent a charm to bring back that time of life than this record of a few pictures and a few remembered facts would be a catalogue of the minutiae which are of the very stuff of the mind, intrinsic, because they were known in the beginning not by the eye alone but by the hand that held them.

Both I and my feelings come up out of a chain of events that fan out into the past into sources that are ultimately very unlike the entity which I now am.

What is more, the legends have become so sacrosanct that the very habit of self-examination or self-criticism smells of low treason, and men who practice it are defeatists and unpatriotic scoundrels.

The problem is rather to find out what is actually happening, and this is especially difficult for the reason that `` we are busily being defended from a knowledge of the present, sometimes by the very agencies -- our educational system, our mass media, our statesmen -- on which we have had to rely most heavily for understanding of ourselves ''.

Then, with staring eyes and lips drawn thin, Miriam said to the young woman, `` You are ugly -- uglier than you used to be, and you were always very ugly.

Second, our military missile program, going forward so successfully, does not suffer from our present lack of very large rocket engines, which are necessary in distant space exploration.

They are very small, and in the form of haystacks, without either chimney or windows.

I know you are very busy now, you are writing a great deal & your book is coming out, isn't it??

The sand is fine and pleasant, the cabanas are clean, and the parasols, green, raspberry, and butter yellow, are very gay.

Upon second thought we were forced to realize that we have very few reliable historical benchmarks against which we might compare the present situation, and that conclusions that present-day students are `` more '' or `` less '' religious could not be defended on the basis of our data.

And they have done this on a very large scale, with a veritable flood of novels and stories which are either dystopias or narratives of adventure with dystopian elements.

That fact is very clearly illustrated in the case of the many present-day intellectuals who were Communists or near-Communists in their youth and are now so extremely conservative ( or reactionary, as many would say ) that they can define no important political conviction that does not seem so far from even a centrist position as to make the distinction between Mr. Nixon and Mr. Khrushchev for them hardly worth noting.

Many of our very best friends are reformers.

But most learn to color and paint as and when they are ready with only a very little demonstration.

The very rules and regulations in every city are the primary case of slum conditions.

The girls, very fetching in their uniforms, are shown firing rockets from a launcher mounted on a dump truck ; ;