Assignment: Last class we experimented with batteries, bulbs, wires, and a number of different materials (foil, cardboard, wax paper, etc..) to try to better understand the basic principles at work in most electrical technology...
1.Your assignment is to post web definitions for the following words:
Electircal Circuit-an electrical device that provides a path for electrical current to flow [syn: circuit, electrical circuit]- Resource:http://dictionary.reference.com/search?q=electric%20circuit
Electrical Conduction-is the movement of electrically charged particles through a transmission medium. The movement can form an electric current in response to an electric field. The underlying mechanism for this movement depends on the material.-Resource: http://en.wikipedia.org/wiki/Electrical_conduction
Electrical Insulator-An insulator is a material or object that resists the flow of electric charge.The opposite of electrical insulators are conductors and semiconductors, which permit the flow of charge. Semiconductors are strictly speaking also insulators, since they prevent the flow of electric charge at low temperatures, unless doped with atoms that release extra charges to carry the current.-Resource:http://en.wikipedia.org/wiki/Electrical_insulation
Make sure to include your sources.
2.How can YOU define these in your own words based on our experiment with batteries, bulbs, wires, and different materials? How can you test to determine whether a material is a conductor or an insulator? How do you know when a circuit is a CLOSED circuit?
When you have a close circuit is when you have a loop with wires all connected to the metal part.
3.How do these concepts apply to your object? What parts are made of conductors? Insulators? How did you know? Are any circuits are present? How can you tell? Use pictures to explain, if you want.
4.What do you think a semiconductor is? Predict the meaning....Then look it up. Are there anny semi-conductors in your object. Where? What parts are made of semi-conductors and what special roles do they play?
1.Your assignment is to post web definitions for the following words:
Electircal Circuit-an electrical device that provides a path for electrical current to flow [syn: circuit, electrical circuit]- Resource:http://dictionary.reference.com/search?q=electric%20circuit
Electrical Conduction-is the movement of electrically charged particles through a transmission medium. The movement can form an electric current in response to an electric field. The underlying mechanism for this movement depends on the material.-Resource: http://en.wikipedia.org/wiki/Electrical_conduction
Electrical Insulator-An insulator is a material or object that resists the flow of electric charge.The opposite of electrical insulators are conductors and semiconductors, which permit the flow of charge. Semiconductors are strictly speaking also insulators, since they prevent the flow of electric charge at low temperatures, unless doped with atoms that release extra charges to carry the current.-Resource:http://en.wikipedia.org/wiki/Electrical_insulation
Make sure to include your sources.
2.How can YOU define these in your own words based on our experiment with batteries, bulbs, wires, and different materials? How can you test to determine whether a material is a conductor or an insulator? How do you know when a circuit is a CLOSED circuit?
When you have a close circuit is when you have a loop with wires all connected to the metal part.
3.How do these concepts apply to your object? What parts are made of conductors? Insulators? How did you know? Are any circuits are present? How can you tell? Use pictures to explain, if you want.
4.What do you think a semiconductor is? Predict the meaning....Then look it up. Are there anny semi-conductors in your object. Where? What parts are made of semi-conductors and what special roles do they play?
posted by Stephz Electric-Blog at 11:14 AM
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