Current Electricity. Current Electricity is electricity in which the charged particles move. In Static Electricity the electricity produced does not move.

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Presentation transcript:

Current Electricity

Current Electricity is electricity in which the charged particles move. In Static Electricity the electricity produced does not move.

Current Electricity Conduction is the passage of electric current through material by direct collision of particles. In radios, electric currents travel through the wires connected to the batteries.

Current Electricity Energy from another source is needed to produce energy in the form of an electric current. Electrons do not remain stationary after a charge has been produced.

Detecting Current A “current detector” determines if there is a current in a wire. The “current detector” allows you to compare strengths of different electric circuits.

Measuring Current A galvanometer measures weak electric currents

Measuring Current An ammeter is used to measure stronger currents

Measuring Current The unit we use to measure current is called ampere. The SI symbol is A

Measuring Current The electric current being measured consists of moving electrons. The greater the number of electrons that move past a point in 1 second, the greater the current.

Homework Questions 1) What is static electricity? 2) What is current electricity? 3) What is the difference between static and current electricity? 4) How does electric current move? 5) Can current electricity be produced by itself? Why or why not? 6) What two instruments do we use to measure current? Hand in your questions when finished please