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What kind of humour is that?
DC or AC - it doesn't matter if it hits the same way. Why doesn't 6.3 V hit you? Remember Ohm's law I=U/R. A person touching live parts is a high conductor between the electrode and earth in this case or a resistance . It is assumed that the resistance of the human body is 1000 ohms. Add the dryness of the skin, the insulation of the shoes, the conductivity of the floor, etc. If your hands are wet, the resistance drops. To be sure of getting a shock, you can touch the switchboard, which is earthed according to safety regulations, with your other hand or just touch any part of your body to the same switchboard, water pipe, etc.
A lethal current for a human is from 100 mA, i.e. you need a 100 V voltage from a 10 Watt power source to be able to kill you. For example in a TV multiplier the voltage reaches 25000 volts, but when the circuit is shorted the voltage drops sharply inside the coil itself and a small current flows through the person.
A car battery can deliver up to 500 amps of current, but the 12 volt voltage is harmless... A spanner thrown over the battery terminals will turn into a molten piece of iron, but you won't be harmed if you take hold of both terminals.
Er, no. "The haircut has just begun..."
Some people try to whistle our military secrets. But it's better to just "Learn, learn and learn..."
On what principles does the Squall torpedo work? Isn't it based on the Yutkin effect?
h ttp://www.gt-e.ru/ege_1.html
h ttp://www.sciteclibrary.ru/rus/catalog/pages/9516.html
More modest water thrusters are described. But there is no description of "how to disperse the water in front of the torpedo".
>Let's continue.
The first thing to know about electricity is that the power of damage to the human body does not depend on voltage, but rather on current, as exemplified by the myostimulators for muscle building and fat cell burning that are popular today. These machines can supply voltages of up to 1000 volts, but the current intensity is so low that the muscles are only stimulated.
The result of an electric shock can be very damaging: electric shock, electric burn - burn of the skin, similar to a thermal burn, but heals 2 - 3 times slower, electric sign - damage to an area of skin due to exposure to electric current, which coarsens the skin but no pain, metallisation of the skin - penetration of red-hot metal vapours into the skin, mechanical damage if you fall and collide with an object because of the shock, electroophthalmia - eye damage by UV from an electric arc. And that's not all. Burns to internal organs, skin burns, dehydration of body tissues - this is what exposure to electric current can lead to.
When providing first aid to an electric shock victim, every second counts. The longer a person is exposed to the current, the less chance of being rescued. A person who has been exposed to voltage must be immediately released from the current. Hold their clothes without touching their body and pull them away from the electric cable or throw the end of the cable away with a dry stick.
Special features of electric shock and electrical injuries
Electric current, when passed through the human body, causes tissue heating and can result in electric burns to the skin and damage to the underlying tissues and organs.
Electrical burns occur at the entry and exit points of electric current and are called "current marks".
Electrical burns may seem minor on the surface, but in fact they are often deep with significant damage to muscles, bones and internal organs.
Electric shocks can disrupt the heart, even to the point of stopping it.
An electric shock can cause a victim to stop breathing.
Before the arrival of the ambulance, take the following measures if an electric shock has occurred:
Assess the situation. Do not touch the victim at once. They may still be under the influence of the electric current. If you touch the victim, you could also be electrocuted. If possible, switch off the power supply (pull the plugs, turn off the breaker). If this is not possible, move the source of electricity away from yourself and the victim using a dry, non-conductive object (a branch, wooden stick, etc).
If it is necessary to pull the victim away from the power cable, remember that a live person's body conducts current in the same way as an electric cable.
Therefore one must not touch the exposed parts of the victim's body with bare hands but only touch dry parts of his clothes, or better still put on rubber gloves or wrap your hands in dry silk cloth.
More modest water thrusters are described. But there is no description of 'how to accelerate the water in front of the torpedo' anywhere.
Let's continue...
Hooked on high voltage power lines with fishing rod
18.05.2011 16:50 Category: Crime
The accident happened the other day at the small pond at the turn of Lazarevo village: while casting a fishing rod a 46 year old man hit a high-voltage wire, - . The victim was rushed to hospital with severe injuries and doctors fought for his life for several days, but they could not save him. This is the third incident in the last two years.
Yeah. Best not to look in here. It'll help you quit smoking. And you'll stop using the Internet, too. And the forum. And anyway...
Not like WHO with its childish propaganda!
Yeah. Better not look in here. That'll stop you smoking. And you'll stop using the electricity too. And the forum. And anyway...
Not like WHO with its childish propaganda!
Where have you been? I know - measuring the speed of light. We're losing moderators here. Lyokha is still hanging in there, but soon he'll get impatient and get his hands on a voltmeter.
Something has to be done about it. Andrei went to the square to clap and disappeared. He's a clapper. At least he brought an umbrella. Our ranks are thinning and you're still measuring the speed of light.
Andrei went to the square to clap and disappeared. He's a clapped-out kid. At least he brought an umbrella. Our ranks are thinning and you're still measuring the speed of light.