Carlos Matheus - Electricity

Electric shock is established when our body behaves as a part of the circuit, offering a way for the current pass. This way is the one which...

This process is often confused. Its better concept is: a set of steps to eliminate any electric risks envolved in the turning off process. O...

Ground is an intentional linking of a circuit (or chassis) to the ground. It can be for: protection, service or temporary. Protection: secu...

A lot of things is spoken about the economy in our bills provided by fluorescent lamps. They dissipate, in comparation with tungsten ones (i...