How is electricity measured?

Saturday, 14 December 2013

How is electricity measured?

Voltage is the measure of the power of electric current. Measurement unit power is volts. Voltameter tells us how many electrons are sent from one end of cycle and some were in at the other end. The distance electricity travels affects its quality, especially if it is prevented free flowing because of the opposition.
Resistance is the resistance of the material the flow of electric current through it. Resistance measured in Ohms. Scientists always looking for materials like copper, that are good conductors of electricity and have low resistance. Silver is the best conductor, But it can not be used in our homes strings because it is too expensive. Most metals are good conductors.


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