Help


[permalink] [id link]
+
Page "Power inverter" ¶ 19
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

electricity and can
It is nothing you can put your fingers on but the air suddenly fills with a high charge of electricity.
( Norman Mailer ), but no one can deny that the screen crackles with electricity whenever he is on it.
British architects Brenda and Robert Vale have said that, as of 2002, " It is quite possible in all parts of Australia to construct a ' house with no bills ', which would be comfortable without heating and cooling, which would make its own electricity, collect its own water and deal with its own waste ... These houses can be built now, using off-the-shelf techniques.
They predominantly emit α-particles, and the heat released in this process can potentially produce electricity in radioisotope thermoelectric generators.
An avalanche breakdown process can happen in semiconductors, which in some ways conduct electricity analogously to a mildly-ionized gas.
Thin foils of the substance can also be ignited by sparks or by static electricity.
Many electronic paper technologies can hold static text and images indefinitely without using electricity.
There are many other technologies that can be and are used to generate electricity such as solar photovoltaics and geothermal power.
In most cases the work is produced by exerting a torque or linear force, which is used to operate other machinery which can generate electricity, pump water, or compress gas.
Charged particles can move at relativistic speeds nearing field propagation speeds, but, as Einstein showed, this requires enormous field energies, which are not present in our everyday experiences with electricity, magnetism, matter, and time.
Other European pioneers were Robert Boyle, who in 1675 stated that electric attraction and repulsion can act across a vacuum ; Stephen Gray, who in 1729 classified materials as conductors and insulators ; and C. F. du Fay, who proposed in 1733 that electricity comes in two varieties that cancel each other, and expressed this in terms of a two-fluid theory.
In 1920, a variant of Type F film known as X-back was introduced to counteract the effects of static electricity on the film, which can cause sparking and create odd exposure patterns on the film.
Fuel cells are different from batteries in that they require a constant source of fuel and oxygen to run, but they can produce electricity continually for as long as these inputs are supplied.
The life expectancy of such piping is about 70 years, but it may vary by region due to impurities in the water supply and the proximity of electrical grids for which interior piping acts as a pathway ( the flow of electricity can accelerate chemical corrosion ).
It appears to me, that the general conclusions established by Mesmer ’ s practice, with respect to the physical effects of the principle of imagination [...] are incomparably more curious than if he had actually demonstrated the existence of his boasted science " animal magnetism ": nor can I see any good reason why a physician, who admits the efficacy of the moral psychological agents employed by Mesmer, should, in the exercise of his profession, scruple to copy whatever processes are necessary for subjecting them to his command, any more than that he should hesitate about employing a new physical agent, such as electricity or galvanism.
Ionic compounds, if molten or dissolved, can conduct electricity because the ions in these conditions are free to move and carry electrons between the anode and the cathode.
However, some ionic compounds can conduct electricity when solid.
Kandó was the first who recognised that an electric train system can only be successful if it can use the electricity from public networks.
Paul Dirac observed in 1931 that, because electricity and magnetism show a certain symmetry, just as quantum theory predicts that individual positive or negative electric charges can be observed without the opposing charge, isolated South or North magnetic poles should be observable.
Essentially, anything in the material world that can be seen or felt but is not material can be controlled: electricity, gravity, magnetism, friction, heat, motion, fire, etc.
Many mimeographs can be hand-cranked, and thus require no electricity.
Article about how a homeowner can easily build a pressurized home water system that does not use electricity.
The lower power station has four water turbines which can generate 360 MW of electricity, an example of artificial energy storage and conversion.

electricity and be
But in such an important question, we would be satisfied if the judgment were that the principal objection to the identity of forces which produce electricity and magnetism were only a difficulty, and not a thing which is contrary to it.
An attempt should be made to see if electricity, in its most latent stage, has any action on the magnet as such ''.
There must be a restriction in the deed to provide that the customer may not be charged more than the current market price for the oil, an obvious precaution, since the account is permanently wedded, just like with gas or electricity.
If the house is not wired adequately for electricity or if plumbing or a central heating system must be installed, check into the cost of making these improvements.
In this model, the atom is composed of electrons ( which Thomson still called " corpuscles ", though G. J. Stoney had proposed that atoms of electricity be called electrons in 1894 ) surrounded by a soup of positive charge to balance the electrons ' negative charges, like negatively charged " plums " surrounded by positively charged " pudding ".
Neurons generate electrical signals that travel along their axon s. When a pulse of electricity reaches a junction called a synapse, it causes a neurotransmitter chemical to be released, which binds to receptors on other cells and thereby alters their electrical activity.
Depending on local circumstances and tradition they may be powered either by diesel engines located below the passenger compartment ( diesel multiple units ) or by electricity picked up from third rails or overhead lines ( electric multiple units ).
Semiconductor diodes begin conducting electricity only if a certain threshold voltage or cut-in voltage is present in the forward direction ( a state in which the diode is said to be forward-biased ).
During these years, the study of electricity was largely considered to be a subfield of physics.
Practical applications for electricity however remained few, and it would not be until the late nineteenth century that engineers were able to put it to industrial and residential use.
Possibly the earliest and nearest approach to the discovery of the identity of lightning, and electricity from any other source, is to be attributed to the Arabs, who before the 15th century had the Arabic word for lightning ( raad ) applied to the electric ray.
Efficient electrical transmission meant in turn that electricity could be generated at centralised power stations, where it benefited from economies of scale, and then be despatched relatively long distances to where it was needed.
The globe could be removed and used as source for experiments with electricity.
This was the two-fluid theory of electricity, which was to be opposed by Benjamin Franklin's one-fluid theory later in the century. Late 1780s diagram of Galvani's experiment on frog legs.
When energy is in a form other than thermal energy, it may be transformed with good or even perfect efficiency, to any other type of energy, including electricity or production of new particles of matter.
As reported by the ancient Greek philosopher Thales of Miletus around 600 BC, charge ( or electricity ) could be accumulated by rubbing fur on various substances, such as amber.
When glass was rubbed with silk, du Fay said that the glass was charged with vitreous electricity, and, when amber was rubbed with fur, the amber was said to be charged with resinous electricity.
These phenomena of attraction and repulsion are called electrical phenomena, and the bodies that exhibit them are said to be ' electrified ', or to be ' charged with electricity '.

0.230 seconds.