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Physical Science B- Chapter 20 Vocab
Terms in this set (33)
(AC) A flow of charge that regularly reverses its direction.
A smoothly varying signal produced by continuously changing the voltage or current in a circuit.
A device that converts chemical energy into electrical energy.
A switch that opens when the current in a circuit is too high.
A programmable device that can store and process information.
A signal that encodes information as a string of 1's and 0's.
A solid-state component with an n-type semiconductor joined to a p-type semiconductor.
(DC) A flow of electric charge in only one direction.
A property that causes a subatomic particle such as protons and electrons to attract or repel another.
A complete path through which electric charge can flow.
A continuous flow of electric charge.
A field in a region of space that exert s electric forces on charged particles; a field produced by electric charges or by changing magnetic fields.
The attraction or repulsion between electrically charged objects.
The rate at which electrical energy is converted to another form of energy.
A material through which electric charge can flow easily.
A material through which electric charge cannot flow easily.
Information sent as patterns in the controlled flow of electrons through a circuit.
The science of using electric currents to process or transmit information.
A device that prevents overheating due to current overload in a circuit.
The transfer of excess charge through a conductor to Earth.
The transfer of charge without contact between materials.
A thin slice of silicon that contains many solid-state components; a microchip.
Law of Conservation of Charge
Law stating that the total electric charge in an isolated system is constant; electric charge is never created or destroyed.
The relationship of voltage, current, and resistance: V=IR
An electric circuit with two or more paths through which charge can flow.
Voltage, or the difference in electrical potential energy between two places in an electric field.
The opposition to the flow of electric charges in a material.
A crystalline solid that conducts electric current only under certain conditions.
An electric circuit with only one path through which charge can flow.
The study of the behavior of electric charges, including how charge is transferred between objects.
A material that has almost zero resistance when it is cooled to low temperatures.
A solid-state component with three layers of semiconductor material, used to turn current on or off or to increase the strength of electronic signals.
Potential difference, the difference in electrical potential energy between two places in an electric field.
THIS SET IS OFTEN IN FOLDERS WITH...
Chapter 21: Magnetism
Lesson 7: Physical Science B Electromagnetism
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