This is a note/assignment for class

-Like charges repel on another. Unlike charges attract one another. Charged objects repel neutral objects. -Conductors Allow a charge to freely move through them. Neutral objects are attracted to charged objects. -Voltage is the force that moves electric charges in a circuit -4 main parts an electric circuit has is wires, cell, switch, and load -The black wire in a electrical circuit is the hot or live wire and it carries the voltage into the …

…energy. They presently in use are wind, tides, solar, and hydro. these sources cannot supply all the energy needed so we have to use nonrenewable sources. -Nonrenewable sources are those that cannot be replaced in a short period of time, such as a human lifetime. Nonrenewable sources included fossil fuels such as coal, oil, and gas, and nuclear fuels. -The main factors to consider when comparing electrical energy production methods are the following: Cost, Efficiency