Yes this is true. Unless it is pure distilled water, water is conductive. This is due to the amount of mineral content that is dissolved in the water. If you were to receive a shock while standing in water, it would be much more sever that when standing on a dry surface.
True
Pure water, that is to say without any other substances, actually does not conduct electricity. Water with impurities, on the other hand, does conduct electricity. Since water is usually impure, common water conducts electricity.
Some do. Electrolytes, which are substances that break into ions when dissolved in water, will conduct electricity. Such substances include soluble salts, acids, and bases.Other water soluble substances are non electrolytes and do not break into ions in water, or at least do so in extremely minute amounts. They do not conduct electricity. These include alcohols, sugars, and some other polar compounds.
When water freezes, it expands in volume; most liquids decrease in volume when they freeze.
Yes. With great difficulty if the water is totally pure. Much easier if there are impurities/minerals in the water. Like gangbusters with a pinch of salt added to the water.
It's the electric current that hurts you, not the voltage. But the current is determined by:Current = Voltage / Resistance.Normally your skin has very high resistance; since resistance is in the denominator, this means low current.But water will lower your skin's resistance, thereby raising the amount of current flowing through your body.
no
A item's resistance is not able to be changed with water. Water on an object or absorbed by an object can change the overall resistance of an object by putting in parallel the resistance of the water itself. If you were to use very clean water that was deionized and soaked your device, you would see no resistance change.
Reduce the temperature of the conductor.
I like to use a water tower connected to a pipe as an example of how electricity works. Electricity depends on voltage AND current. If you think of it like a water supply then the voltage would be like the pressure in the pipes due to the height of the water tower. The current would be like the speed with which the water flows through the pipes and that is determined by the resistance, which we can think of as the size of the pipe. If we make the pipe bigger, that is, decrease the resistance, then the water flows faster. If we decrease the resistance in an electrical circuit then the current increases. That is why you often hear the term current used for both electricity and water flow. For more technical details please see my answer to the question about resistance. "If a fuse will melt.."
A item's resistance is not able to be changed with water. Water on an object or absorbed by an object can change the overall resistance of an object by putting in parallel the resistance of the water itself. If you were to use very clean water that was deionized and soaked your device, you would see no resistance change.
electricity I think
when you think of electricity and resistance think of it as water in a river and rocks in a river. The water being the electricity and the rocks being the resistance. when water in a river flows and then come across rocks that block the water from flowing constantly, it slows down the water. therefore when electricity is flowing through a circuit with resistance, when it hits the resistors it slows the flow of electricity.
Pure water, that is to say without any other substances, actually does not conduct electricity. Water with impurities, on the other hand, does conduct electricity. Since water is usually impure, common water conducts electricity.
Most molecular substances do not conduct electricity since the ions don't dissociate very well with molecular substances. However, most ionic substances do conduct electricity very well due to their ability to dissociate very well in water.
pure water does not conduct electricity. the presence of electrolytes in the water is what conducts electricity. the equation for the conductivity (ability to conduct electricity) Conductance = 1/ resistance
Some do. Electrolytes, which are substances that break into ions when dissolved in water, will conduct electricity. Such substances include soluble salts, acids, and bases.Other water soluble substances are non electrolytes and do not break into ions in water, or at least do so in extremely minute amounts. They do not conduct electricity. These include alcohols, sugars, and some other polar compounds.
like water it follows the path of least resistance