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PS: Ch 13-14 Q
Question | Answer |
---|---|
A positively charged object and negatively charged object will __?__ each other | attract |
As a positive side and negative side move farther apart, the strength of the attraction __?__ | decreases |
The study of the nature, behavior and uses of static electricity | electrostatics |
unit of an electric charge | coulomb |
a charge transferred by conduction | permanent |
states that the total charge is the same before and after an interaction | law of conservation of change |
side having an excess of electrons contains what kind of charge | positive |
what is an object said to be when there is an equal number of positive and negative charges | neutral |
When a positively charged object is with another positively charged object, they well __?__ each other | repel |
process of directing unwanted electric charge directly into the earth | grounding |
imaginary lines used to "map" the electric field around an object | lines of force |
device used to store a static electric charge | capacitor |
device for protecting buildings and other structures form lightning strikes | lightning rod |
When a spark hits a sphere, the spark moves to the __?__ of the sphere | outside |
most common electrostatic generator in use today | Van de Graaff generator |
device that produces static electricity | electrostatic generator |
Laser printers and photocopiers use what method | xerography |
the upward flow of charge that forms the brilliant flash of a lightning strike is known as | return stroke |
The downward flow of charge that begins a lightning strike | stepped leader |
Musschenbroek's charge-storing device is known as | Leyden jar |