how does ac currrent harm you? is it possible to get serious electric shock at home?

Question

AC pushes you away,I have heard
and DC ,we stick to the source,where we touch

Answer 1

The perception of electric shock can be different depending on the voltage, duration, current, path taken, frequency, etc. Current entering the hand has a threshold of perception of about 5 to 10 milliamperes (mA) for DC and about 1 to 10 mA for AC at 60 Hz. Shock perception declines with increasing frequency, ultimately disappearing at frequencies above 15-20 kHz.

Burns - Tissue heating due to resistance can cause extensive and deep burns. High-voltage (> 500 to 1000 V) shocks tend to cause internal burns due to the large energy (which is proportional to the square of the voltage) available from the source. Damage due to current is through tissue heating.

Ventricular fibrillation - A low-voltage (110 to 220 V), 50 or 60-Hz AC current travelling through the chest for a fraction of a second may induce ventricular fibrillation at currents as low as 60mA. With DC, 300 to 500 mA is required. If the current has a direct pathway to the heart (e.g., via a cardiac catheter or other electrodes), a much lower current of less than 1 mA, (AC or DC) can cause fibrillation. Fibrillations are usually lethal because all the heart muscle cells move independently. Above 200mA, muscle contractions are so strong that the heart muscles cannot move at all.

FOR FIRST AID AND SAFETY PL. VISIT:
http://en.wikipedia.org/wiki/Electric_shock

Answer 2

To clear up just a bit of a misconception, voltage does NOT kill, current does. If there is no current flow, you can touch anything with stored voltage, like batteries. You can touch a car battery all you want when it is disconnected from the car, but if it is connected to the car and the car is running, don't touch it unless you want to die.

Marine: I suggest you take some courses in electromagnetism before you respond.
A car battery is 12 volts, not 1.5, and I'm sure you've touched a car battery before, yet you didn't feel any shock, even though the volt is there, it hasn't disappeared. But as soon as you connect it to your car and turn the car on, what happens? The current starts to flow through it, and if you touch it it will kill you.
Now comparing that to jumping off a cliff is dumb.

Answer 3

Old wives tale. Any sufficient shock can make you clamp down so you can't let go. Household voltage will probably only kill you if you have enhanced contact, like being in the tub or on a wet carpet.
And saying that voltage doesn't kill you, but current does is about as dumb as saying jumping off a cliff doen't kill you, the ground does. Nobody ever got killed by a 1.5 volt battery.

Answer 4

It only take a fraction of an amp going through the heart muscle to stop it.

Answer 5

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Answer 6

It can kill you!