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Critical teaching ideas. An electric current is the overall movement of charged particles in one direction. To obtain an electric current, there needs to be a continuous circuit from one terminal of a battery to the other. An electric current in a circuit transfers energy from the battery to the circuit components.What are the components of an electric circuit?
An electric circuit includes a device that gives energy to the charged particles constituting the current, such as a battery or a generator; devices that use current, such as lamps, electric motors, or computers; and the connecting wires or transmission lines. Two of the basic laws that mathematically describe the performance...What are the basic laws of an electric circuit?
Two of the basic laws that mathematically describe the performance of electric circuits are Ohm’s law and Kirchhoff’s rules. Electric circuits are classified in several ways. A direct-current circuit carries current that flows only in one direction.What makes electricity flow in an open circuit?
What you built with the battery, wire, and bulb in step 3 is called an open circuit. In order for electricity to start flowing, you need a closed circuit. Electricity is caused by tiny particles with negative charges, called electrons.