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Etymology: Gk, elektron, amber
a form of energy expressed by the activity of electrons and other subatomic particles in motion, as in dynamic electricity, or at rest, as in static electricity. Electricity can be produced by heat generated by a voltaic cell or produced by induction, rubbing of nonconductors with dry materials, or chemical activity. Electricity may be negative, when there is a surplus of electrons, or positive, when there is a surplus of protons or a deficiency of electrons.


A form of energy that is generated by the interactions of positive and negative charges and that exhibits magnetic, chemical, mechanical, and thermal effects.

frictional electricity

Static electricity generated by rubbing two objects together.

galvanic electricity

Electricity generated by chemical action.

induced electricity

Electricity generated in a body from another body nearby without contact between them.

magnetic electricity

Electricity induced by a magnetic device.

negative electricity

An electric charge caused by an excess of negatively charged electrons.

positive electricity

An electric charge caused by loss of negatively charged electrons.

static electricity

Electricity generated by friction of certain materials.

Patient discussion about electricity

Q. Is electric shock efficient for ocd? Is it dangerous? My husband has OCD for 15 years now. He was also diagnosed with mania-depressia. He takes so many medications and nothing really helps. We were offered to try electric shock and I'm scared. Is it dangerous? What are the chances of this method to work for him?

A. Electroconvulsive therapy (ECT) is indeed considered effective for OCD, although it's not the first line of treatment. It does have its risks, including memory loss, disorientation and sort of confusion. There is also a change in the activity of the heart but it's rarely significant.

Generally it can be said that it's not an absolutely safe treatment, but it may help, especially if other drugs don't help.

You may read more here:

Q. Which type of toothbrush is the best? Electric or regular?

A. i think that is the most ancient debate of them all ? longer then mankind itself ?. Some people say that, other say this- but the truth is it doesn’t matter. It’s how you use the toothbrush that counts. If used properly even the simplest toothbrush can be satisfying.


A. is this the only symptom? if there are more- i recommend (the second time today!) this site:

you can make a list of the symptoms you have and it'll give you the optional diseases/syndromes

More discussions about electricity
References in periodicals archive ?
A spokesman for the UK Government's Department for Transport said: "Electrification brings the greatest benefit when it is implemented on busy rail lines where older diesel trains need replacing, which is why the Government has committed to electrifying the line from London to Cardiff.
Although the Crossrail project is getting huge support from the UK Government, the fact is that cost benefit analyses show that electrifying rail lines inWales would be more cost-effective in terms of the economic return on investment.
The evidence in favour of electrifying these vital Welsh rail links is impossible to argue against - and we hope the UK Government has the good grace not to try.
The cost of electrifying the line between Cardiff and Swansea has been put at around pounds 70m.
The economic case for electrifying the rail line all the way from London to Swansea is extremely compelling.
Undoubtedly there will be pressure in Bristol for electrification to go a little further there and a combined effort by South Wales and Bristol could secure a small amount of further investment which would result in a more economic use of the electrification already belatedly conceded by electrifying to Taunton and Swansea.
This could see the UK Government and the Assembly Government then seeking to reach a funding agreement on electrifying the 40 miles or so of track from Cardiff to Swansea.
After 19 NFL teams passed him up in last year's draft because of his trouble off the field, wide receiver Moss is establishing himself as the NFL's most electrifying newcomer since Sanders and Sanders (Barry and Deion, that is).
THE cost of electrifying the main line railway from South Wales to London has increased by PS500m to PS1.
Geared toward serious hobbyists and those who want to garner a deep understanding of how high-voltage electrostatics work, this guide details how to build your own Wimhurst generator or modify a Van de Graaff generator in order to perform electrifying experiments.