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Stack #4628600

QuestionAnswer
Static electricity the build up of excess electric charge on an object
Electric field exerted by a charged object; allows us to charge by induction
Electroscope device that detects electrical charge on an object
Conductor material that allows electrons to flow easily
Insulator material that blocks the flow of electrons
Static discharge the flow of electricity between two electrically charged objects caused by contact Ex. Lightning
Grounding providing a path that allows electrical charges to travel directly into the Earth instead of into a building
Current the net movement of electric charges in a single direction
Voltage difference the push that causes charge to move
Resistance the tendency of materials to oppose the flow of electrons through it
Ohm’s Law the current in a circuit equals voltage difference divided by resistance
Circuit closed path through which electrons can flow
Ammeter device that measures the amount of current in a series circuit
Voltmeter device that measures the voltage drop in a parallel circuit
Fuse small piece of metal that melts when a circuit is overheated and causes the circuit to open so that current can no longer flow
Circuit breaker - small piece of metal that bends when a circuit is overheated and causes the circuit to open so that current can no longer flow
Magnetism property of some materials that allows them to give off an attractive or repulsive force.
Magnet a material that gives off an external magnetic field, making it possible to apply a force over a distance.
Magnetic field external force given off by a magnet; strongest at the poles.
Ferromagnetism phenomenon where objects placed in a strong magnetic field become magnetized due to the poles within their atoms aligning (all e- in same direction).
Electromagnet temporary magnet made by placing a piece of iron inside a current carrying coil of wire.
Electric motor device that uses an electromagnet to convert electrical energy into mechanical energy.
Generator device that uses an electromagnet to convert mechanical energy into electrical energy.
Created by: adherald
 

 



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